312 Area Code

Area Code 312 time
10:06:51 PM
Area Code 312 time

312 code area is located in Central timezone. This timezone also known as America/Chicago. Current time in 312 is 10:06pm.

Area code 312 is one of the 86 oldest codes introduced by AT&T and the Bell System in 1947.

Nearby area codes

Counties of 312 area

CountyPopulation% of 312% of County
Cook County 5,194,675 100 1

Cities of 312 area

CityPopulation% of 312% of City
Chicago 2,695,598 100 8

Telephone Carriers

CarrierType% of 312
Ameritech landline 47
Broadwing landline 3
Mcimetro Access Transmission Services landline 2
Allegiance Telecom landline 1
Ovation landline 1
Teleport America landline 1
Rcn Telecom Services landline 1
Other landline 10
Cingular wireless 10
Verizon Wireless wireless 7
Usa Mobility Wireless wireless 6
Sprint wireless 3
American Messaging (am) wireless 3
T-mobile wireless 2
Ameritech wireless 1
Other wireless 1

Prefixes

PrefixTypePrimary CityCarrierIntroduced
312201 landline Chicago Ameritech Illinois Nov 11, 2003
312202 landline Chicago Ameritech Illinois Apr 1, 1997
312203 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312204 landline Chicago Ameritech Illinois Oct 11, 1997
312205 landline Chicago Allegiance Telecom Aug 20, 2000
312206 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312207 landline Chicago Ameritech Illinois Oct 11, 1997
312208 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312209 wireless Northbrook Cellco Partnership DBA Verizon Wireless Feb 11, 1995
312210 landline Chicago Nov 11, 2003
312212 landline Chicago Ameritech Illinois Oct 31, 2000
312213 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312214 landline Chicago Ameritech Illinois Nov 11, 2003
312215 wireless Wheeling New Cingular Wireless PCS Feb 11, 1995
312216 landline Chicago First Communications LLC Feb 13, 2012
312217 wireless Chicago United States Cellular Corp. - Illinois Nov 11, 2003
312218 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312219 wireless Chicago Bandwidth.com Clec Apr 10, 2012
312220 landline Chicago Ameritech Illinois Feb 4, 1994
312221 wireless Chicago Sprint Spectrum Jun 17, 2011
312222 landline Chicago Ameritech Illinois Feb 4, 1994
312223 landline Chicago Ameritech Illinois Oct 11, 1997
312224 landline Chicago Broadwing Communications Oct 13, 1999
312225 landline Chicago Ameritech Illinois Oct 11, 1997
312226 landline Chicago Ameritech Illinois Oct 11, 1997
312227 landline Chicago Ameritech Illinois Sep 15, 2010
312228 landline Chicago Ameritech Illinois Oct 11, 1997
312229 landline Chicago Ameritech Illinois Jun 13, 2000
312230 landline Chicago Ameritech Illinois Oct 11, 1997
312231 wireless Roselle New Cingular Wireless PCS Jan 10, 1996
312232 wireless Chicago American Messaging (am) Apr 23, 2001
312233 landline Chicago Ameritech Illinois Oct 13, 1999
312234 landline Chicago Ameritech Illinois Jan 25, 1998
312235 landline Chicago Ameritech Illinois Jan 14, 2000
312236 landline Chicago Ameritech Illinois Nov 11, 2003
312237 wireless Chicago Cellco Partnership DBA Verizon Wireless Oct 31, 2000
312238 landline Chicago Broadwing Communications Oct 13, 1999
312239 landline Chicago AT&T Local Jan 25, 1998
312240 landline Chicago Ameritech Illinois Oct 11, 1997
312241 wireless Chicago New Cingular Wireless PCS Aug 17, 2011
312242 landline Chicago Teleport Communications America Aug 20, 2000
312243 landline Chicago Ameritech Illinois Oct 11, 1997
312244 landline Chicago Ameritech Illinois Oct 31, 2000
312245 landline Chicago Ameritech Illinois Oct 11, 1997
312246 wireless Wheeling New Cingular Wireless PCS Feb 11, 1995
312247 landline Chicago First Communications LLC Apr 6, 2004
312248 Chicago Metro PCS Jul 1, 2014
312249 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312250 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312251 landline Chicago Ameritech Illinois Oct 11, 1997
312252 landline Chicago Allegiance Telecom Jan 25, 1998
312253 landline Chicago Allegiance Telecom Jan 25, 1998
312254 landline Chicago Allegiance Telecom Jan 25, 1998
312255 landline Chicago Ameritech Illinois Oct 11, 1997
312256 landline Chicago Allegiance Telecom Jan 25, 1998
312257 wireless Chicago Cellco Partnership DBA Verizon Wireless Aug 18, 2011
312258 landline Chicago Ameritech Illinois Oct 11, 1997
312259 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312260 landline Chicago Mcimetro Access Transmission Services LLC Apr 1, 1997
312261 landline Chicago Broadwing Communications May 10, 1999
312262 landline Chicago Allegiance Telecom Jan 25, 1998
312263 landline Chicago Ameritech Illinois Feb 4, 1994
312264 landline Chicago Broadwing Communications Jul 22, 1999
312265 landline Chicago Access One Nov 29, 2005
312266 landline Chicago Ameritech Illinois Feb 4, 1994
312267 landline Chicago Ameritech Illinois Jun 13, 2000
312268 landline Chicago Broadwing Communications Mar 3, 2001
312269 landline Chicago Ameritech Illinois Feb 4, 1994
312271 wireless Chicago Usa Mobility Wireless Jan 25, 1998
312272 wireless Chicago Usa Mobility Wireless Jul 1, 1996
312273 wireless Chicago Cellco Partnership DBA Verizon Wireless Sep 13, 2011
312274 landline Chicago Ameritech Illinois Jan 25, 1998
312275 landline Chicago Allegiance Telecom Jan 25, 1998
312276 landline Chicago Allegiance Telecom Jan 25, 1998
312277 landline Chicago Allegiance Telecom Jan 25, 1998
312278 landline Chicago Broadwing Communications Oct 31, 2000
312279 landline Chicago Mcimetro Access Transmission Services LLC Jan 25, 1998
312280 landline Chicago Ameritech Illinois Oct 11, 1997
312281 landline Chicago Global Crossing Local Services-il Oct 13, 1999
312282 wireless Chicago New Cingular Wireless PCS Oct 31, 2000
312283 landline Chicago Global Crossing Local Services-il Oct 13, 1999
312284 landline Chicago Xo Illinois Jun 30, 2001
312285 wireless Chicago Sprint Spectrum Jun 30, 2001
312286 wireless Chicago New Cingular Wireless PCS Jun 13, 2000
312287 wireless Chicago Sprint Spectrum Oct 31, 2000
312288 landline Chicago Mcimetro Access Transmission Services LLC Jan 25, 1998
312289 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312290 wireless Chicago Usa Mobility Wireless Nov 11, 2003
312291 landline Chicago Ameritech Illinois Jun 13, 2000
312292 wireless Chicago Bandwidth.com Clec Sep 2, 2011
312293 landline Chicago Ameritech Illinois Feb 4, 1994
312294 landline Chicago Ameritech Illinois Oct 11, 1997
312295 wireless La Grange Park Usa Mobility Wireless Feb 11, 1995
312296 wireless Chicago Sprint Spectrum Jan 14, 2000
312297 landline Chicago Ameritech Illinois Feb 11, 1995
312298 landline Chicago Sigecom Jul 22, 1999
312299 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312300 landline Chicago Net Talk.com Apr 25, 2011
312301 wireless Hinsdale New Cingular Wireless PCS Feb 11, 1995
312302 landline Chicago Ameritech Illinois Feb 4, 1994
312303 wireless Wheeling New Cingular Wireless PCS Feb 11, 1995
312304 wireless Hinsdale New Cingular Wireless PCS Feb 11, 1995
312305 wireless Northbrook Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312306 landline Chicago Ameritech Illinois Feb 4, 1994
312307 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312308 landline Chicago Ameritech Illinois Oct 11, 1997
312309 landline Chicago Ameritech Illinois Nov 11, 2003
312310 wireless Northbrook Cellco Partnership DBA Verizon Wireless Feb 11, 1995
312313 Nov 11, 2003
312314 wireless Hinsdale New Cingular Wireless PCS Sep 11, 1994
312315 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312316 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312317 wireless Wheeling New Cingular Wireless PCS Feb 11, 1995
312318 wireless La Grange Park Cellco Partnership DBA Verizon Wireless Feb 11, 1995
312320 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312321 landline Chicago Ameritech Illinois Oct 11, 1997
312322 landline Chicago Ameritech Illinois Oct 11, 1997
312323 wireless Chicago American Messaging (am) Apr 13, 2001
312324 landline Chicago Level 3 Communications May 3, 2001
312325 landline Chicago Ameritech Illinois Jun 24, 2003
312326 landline Chicago Ameritech Illinois Feb 4, 1994
312327 landline Chicago Xo Illinois Aug 20, 2000
312328 landline Chicago Ameritech Illinois Oct 11, 1997
312329 landline Chicago Ameritech Illinois Feb 4, 1994
312330 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312331 wireless Wheeling New Cingular Wireless PCS Jan 10, 1996
312332 landline Chicago Ameritech Illinois Feb 4, 1994
312333 wireless Chicago American Messaging (am) Apr 13, 2001
312334 landline Chicago First Communications LLC Oct 31, 2000
312335 landline Chicago Ameritech Illinois Feb 4, 1994
312336 landline Chicago Ameritech Illinois Nov 11, 2003
312337 landline Chicago Ameritech Illinois Feb 4, 1994
312338 landline Chicago Ameritech Illinois Apr 1, 1997
312339 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312340 wireless Chicago Cellco Partnership DBA Verizon Wireless Sep 21, 2011
312341 landline Chicago Ameritech Illinois Oct 11, 1997
312342 wireless Chicago New Cingular Wireless PCS Jun 30, 2001
312343 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312344 landline Chicago Ameritech Illinois Jul 6, 1997
312345 landline Chicago Ameritech Illinois Nov 11, 2003
312346 landline Chicago Ameritech Illinois Nov 11, 2003
312347 landline Chicago Ameritech Illinois Feb 4, 1994
312348 landline Chicago Neutral Tandem-illinois Nov 14, 2003
312349 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312350 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312351 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312352 wireless Hinsdale New Cingular Wireless PCS Jul 4, 1995
312353 landline Chicago Ameritech Illinois Feb 4, 1994
312354 wireless Roselle New Cingular Wireless PCS Jan 10, 1996
312355 landline Chicago Ameritech Illinois Jul 4, 1995
312356 landline Chicago Ameritech Illinois Jan 14, 2000
312357 landline Chicago Ameritech Illinois Oct 11, 1997
312358 Jul 4, 1995
312359 wireless Chicago Usa Mobility Wireless Jul 4, 1995
312360 landline Chicago Ameritech Illinois Feb 4, 1994
312361 landline Chicago Ameritech Illinois Oct 31, 2000
312362 landline Chicago Ameritech Illinois Oct 11, 1997
312363 landline Chicago Rcn Telecom Services Of Illinois May 10, 1999
312364 landline Chicago Ameritech Illinois Sep 11, 1994
312365 wireless Chicago Usa Mobility Wireless Nov 11, 2003
312366 wireless La Grange Park Usa Mobility Wireless Jan 10, 1996
312367 wireless La Grange Park Usa Mobility Wireless Nov 11, 2003
312368 landline Chicago Ameritech Illinois Feb 4, 1994
312369 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312370 wireless Chicago Usa Mobility Wireless Nov 11, 2003
312371 wireless Chicago Sprint Spectrum Jan 25, 1998
312372 landline Chicago Ameritech Illinois Nov 11, 2003
312373 landline Chicago Broadwing Communications May 10, 1999
312374 landline Chicago Ameritech Illinois Oct 13, 1999
312375 wireless Chicago T-mobile Usa Jun 30, 2001
312376 landline Chicago Cbeyond Communications Jun 11, 2004
312377 landline Chicago Xo Illinois Jan 25, 1998
312378 wireless Chicago Usa Mobility Wireless Jan 25, 1998
312379 landline Chicago Ovation Communications Of Illinois Apr 10, 2001
312380 landline Chicago Ameritech Illinois Aug 20, 2000
312381 landline Chicago Ameritech Illinois May 10, 1999
312382 landline Chicago Ameritech Illinois Feb 4, 1994
312383 Jan 10, 1996
312384 landline Chicago Ameritech Illinois Oct 13, 1999
312385 landline Chicago Ameritech Illinois Jan 25, 1998
312386 landline Chicago Ameritech Illinois Aug 20, 2000
312387 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312388 wireless Chicago Sprint Spectrum Jan 25, 1998
312389 wireless Chicago Usa Mobility Wireless Nov 11, 2003
312390 wireless Chicago American Messaging (am) Apr 16, 2001
312391 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312393 wireless Chicago American Messaging (am) Apr 23, 2001
312394 landline Chicago Ameritech Illinois Feb 4, 1994
312395 landline Chicago AT&T Local Jan 25, 1998
312396 landline Chicago Ameritech Illinois Feb 4, 1994
312397 landline Chicago Ameritech Illinois Oct 11, 1997
312398 wireless Chicago Usa Mobility Wireless Jan 10, 1996
312399 wireless Chicago Sprint Spectrum Jul 22, 1999
312400 wireless Chicago American Messaging (am) Apr 13, 2001
312401 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312402 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312403 wireless La Grange Park Cellco Partnership DBA Verizon Wireless Feb 11, 1995
312404 wireless Chicago T-mobile Usa Oct 14, 2002
312405 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312406 wireless Wheeling New Cingular Wireless PCS Feb 11, 1995
312407 landline Chicago Ameritech Illinois Feb 4, 1994
312408 landline Chicago Ameritech Illinois Oct 11, 1997
312409 landline Chicago Ameritech Illinois Sep 11, 1994
312410 landline Chicago Ameritech Illinois Feb 4, 1994
312412 wireless Wheeling New Cingular Wireless PCS Feb 11, 1995
312413 landline Chicago Ameritech Illinois Feb 4, 1994
312415 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312416 landline Chicago Mci Worldcom Communications Jan 10, 1996
312417 wireless Chicago Ameritech Illinois Feb 4, 1994
312418 wireless Chicago Usa Mobility Wireless Sep 11, 1994
312419 landline Chicago Ameritech Illinois Nov 11, 2003
312420 wireless Chicago New Cingular Wireless PCS Jun 30, 2001
312421 landline Chicago Ameritech Illinois Feb 4, 1994
312422 landline Chicago Ameritech Illinois Nov 11, 2003
312423 landline Chicago Broadwing Communications Nov 11, 2003
312424 landline Chicago Ameritech Illinois Sep 11, 1994
312425 landline Chicago Ameritech Illinois Jul 1, 1996
312426 wireless Chicago Usa Mobility Wireless Jan 10, 1996
312427 landline Chicago Ameritech Illinois Feb 4, 1994
312428 wireless Chicago Level 3 Communications Nov 11, 2003
312429 landline Chicago Global Crossing Local Services-il Oct 13, 1999
312430 landline Chicago Ameritech Illinois May 2, 2004
312431 landline Chicago Ameritech Illinois Oct 11, 1997
312432 landline Chicago Ameritech Illinois Feb 11, 1995
312433 landline Chicago Ameritech Illinois Feb 4, 1994
312434 wireless Chicago Sprint Spectrum Jul 8, 2011
312435 landline Chicago Ameritech Illinois Feb 4, 1994
312436 landline Chicago Ameritech Illinois Jan 14, 2000
312437 wireless Chicago Sprint Spectrum Jul 22, 1999
312438 Nov 11, 2003
312440 landline Chicago Ameritech Illinois Feb 4, 1994
312441 landline Chicago Ameritech Illinois Feb 4, 1994
312442 landline Chicago Ameritech Illinois Jan 25, 1998
312443 landline Chicago Ameritech Illinois Nov 11, 2003
312444 landline Chicago Ameritech Illinois Feb 4, 1994
312445 landline Chicago Ameritech Illinois Jun 13, 2000
312446 wireless Chicago Sprint Spectrum Aug 14, 1998
312447 landline Chicago Ameritech Illinois Jun 13, 2000
312448 wireless Chicago Cellco Partnership DBA Verizon Wireless Aug 2, 2011
312449 wireless Chicago American Messaging (am) Apr 23, 2001
312450 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312451 landline Chicago T-mobile Usa Jan 25, 1998
312452 wireless Chicago American Messaging (am) Apr 13, 2001
312453 landline Chicago Mci Worldcom Communications Jan 10, 1996
312454 landline Chicago Ameritech Illinois Feb 4, 1994
312455 landline Chicago Ameritech Illinois Feb 4, 1994
312456 landline Chicago Ameritech Illinois Feb 4, 1994
312457 wireless Chicago American Messaging (am) Apr 23, 2001
312458 landline Chicago Ameritech Illinois Feb 4, 1994
312459 wireless Chicago T-mobile Usa Aug 2, 2011
312460 landline Chicago Ameritech Illinois Nov 11, 2003
312461 landline Chicago Ameritech Illinois Feb 4, 1994
312462 landline Chicago Ameritech Illinois Oct 11, 1997
312463 landline Chicago Ameritech Illinois Jan 25, 1998
312464 landline Chicago Ameritech Illinois Feb 4, 1994
312465 landline Chicago Us Xchange Of Illinois LLC DBA Choice One Comm Il Mar 26, 2009
312466 landline Chicago Ameritech Illinois Feb 4, 1994
312467 landline Chicago Ameritech Illinois Feb 4, 1994
312469 landline Chicago Ameritech Illinois Oct 31, 2000
312470 landline Chicago Mcimetro Access Transmission Services LLC Jan 10, 1996
312472 landline Chicago Ameritech Illinois Oct 27, 2005
312473 landline Chicago Ymax Communications Corp. Nov 15, 2006
312474 landline Chicago Ameritech Illinois Feb 4, 1994
312475 landline Chicago Ameritech Illinois Jan 25, 1998
312476 landline Chicago Sprint Spectrum Aug 20, 2000
312477 wireless Chicago Level 3 Communications Oct 20, 2010
312478 landline Chicago T-mobile Usa Mar 20, 2014
312479 landline Chicago AT&T Local Jan 25, 1998
312480 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312482 landline Chicago Ameritech Illinois Feb 4, 1994
312484 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312485 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312486 landline Chicago Mci Worldcom Communications Apr 23, 2004
312488 landline Chicago Pg Telecom Of Illinois Inc. Jan 18, 2006
312489 wireless Chicago Cellco Partnership DBA Verizon Wireless Aug 20, 2000
312490 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312491 landline Chicago Ameritech Illinois Jul 4, 1995
312492 landline Chicago Ameritech Illinois Jul 6, 1997
312493 wireless Chicago T-mobile Usa Jun 30, 2001
312494 landline Chicago Ameritech Illinois Feb 4, 1994
312495 wireless Chicago Usa Mobility Wireless Nov 11, 2003
312496 landline Chicago Ameritech Illinois Jul 1, 1996
312497 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312498 wireless Chicago Sprint Spectrum Jul 22, 1999
312499 landline Chicago Ameritech Illinois Feb 4, 1994
312501 wireless La Grange Park Cellco Partnership DBA Verizon Wireless Feb 11, 1995
312502 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312503 landline Chicago Broadwing Communications Feb 4, 1994
312504 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312505 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312506 landline Chicago Cimco Communications May 24, 2004
312507 landline Chicago Ameritech Illinois Feb 4, 1994
312508 landline Chicago Peerless Network Of Illinois Mar 19, 2012
312509 landline Chicago Peerless Network Of Illinois Mar 6, 2012
312510 wireless Hinsdale New Cingular Wireless PCS Feb 11, 1995
312512 wireless Chicago Usa Mobility Wireless May 1, 2002
312513 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312514 wireless Chicago American Messaging (am) Apr 13, 2001
312515 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312516 landline Chicago Ameritech Illinois Feb 11, 1995
312518 wireless Wheeling New Cingular Wireless PCS Feb 11, 1995
312519 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312520 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312521 landline Chicago AT&T Local Jan 25, 1998
312523 wireless Chicago Sprint Spectrum Jun 30, 2001
312524 wireless Wheeling New Cingular Wireless PCS Feb 11, 1995
312525 landline Chicago Mcimetro Access Transmission Services LLC Mar 20, 2002
312526 landline Chicago Ameritech Illinois Jul 4, 1995
312527 landline Chicago Ameritech Illinois Feb 4, 1994
312528 landline Chicago Ameritech Illinois Jan 25, 1998
312529 landline Chicago AT&T Local Oct 11, 1997
312530 wireless Chicago Usa Mobility Wireless Apr 15, 1996
312531 wireless Hinsdale New Cingular Wireless PCS Feb 11, 1995
312532 wireless Chicago T-mobile Usa Nov 11, 2003
312533 wireless Chicago Cellco Partnership DBA Verizon Wireless Oct 13, 1999
312534 landline Chicago Ameritech Illinois Sep 17, 2008
312537 landline Chicago Ameritech Illinois Apr 15, 1996
312540 landline Chicago Ameritech Illinois Feb 4, 1994
312541 landline Chicago Ameritech Illinois Nov 11, 2003
312542 landline Chicago Ameritech Illinois Jan 25, 1998
312543 wireless Chicago New Cingular Wireless PCS Apr 1, 1997
312544 landline Chicago Ameritech Illinois Jun 13, 2000
312545 wireless Chicago Sprint Spectrum Mar 3, 2001
312546 landline Chicago Level 3 Communications Jan 25, 1998
312547 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312548 landline Chicago Broadwing Communications Sep 5, 2007
312550 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312551 landline Chicago Ameritech Illinois Feb 4, 1994
312552 landline Chicago Ameritech Illinois Feb 4, 1994
312553 landline Chicago Ameritech Illinois Feb 4, 1994
312554 landline Chicago Ameritech Illinois Feb 4, 1994
312556 wireless Chicago Ameritech Illinois Nov 11, 2003
312557 landline Chicago Ameritech Illinois Nov 11, 2003
312558 landline Chicago Ameritech Illinois Feb 4, 1994
312559 landline Chicago Ameritech Illinois Feb 4, 1994
312560 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312561 wireless Chicago Cellco Partnership DBA Verizon Wireless Jun 20, 2012
312562 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312563 landline Chicago Ameritech Illinois Feb 4, 1994
312564 landline Chicago Cimco Communications Nov 13, 2006
312565 landline Chicago Ameritech Illinois Feb 4, 1994
312566 landline Chicago Ameritech Illinois Jan 10, 1996
312567 landline Chicago Ameritech Illinois Feb 4, 1994
312568 landline Chicago Ameritech Illinois Jun 13, 2000
312569 landline Chicago Ameritech Illinois Oct 31, 2000
312570 landline Chicago Ameritech Illinois Feb 4, 1994
312571 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312572 landline Chicago Ameritech Illinois Feb 4, 1994
312573 landline Chicago Ameritech Illinois Feb 4, 1994
312574 landline Chicago Ameritech Illinois Feb 4, 1994
312575 landline Chicago Ameritech Illinois Feb 4, 1994
312576 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312577 landline Chicago Mci Worldcom Communications Jan 11, 1997
312578 landline Chicago Ameritech Illinois Nov 11, 2003
312580 landline Chicago Ameritech Illinois Feb 4, 1994
312582 landline Chicago Ameritech Illinois May 16, 2002
312583 landline Chicago Ameritech Illinois Jan 25, 1998
312585 landline Chicago Mcimetro Access Transmission Services LLC Apr 16, 2013
312587 landline Chicago Ameritech Illinois Feb 4, 1994
312588 landline Chicago Ameritech Illinois Jan 25, 1998
312589 landline Chicago Ameritech Illinois Mar 3, 2001
312590 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312591 landline Chicago Ameritech Illinois Nov 11, 2003
312592 landline Chicago Ameritech Illinois Feb 4, 1994
312593 wireless Chicago T-mobile Usa Nov 11, 2003
312594 landline Chicago Mcimetro Access Transmission Services LLC Nov 6, 2008
312595 landline Chicago Ameritech Illinois Sep 11, 1994
312596 landline Chicago Teleport Communications America Jul 1, 1996
312597 Jan 10, 1996
312599 wireless Chicago Usa Mobility Wireless Jan 10, 1996
312600 landline Chicago Neutral Tandem-illinois May 1, 2012
312601 landline Chicago Mcimetro Access Transmission Services LLC Apr 1, 1997
312602 landline Chicago Broadwing Communications May 10, 1999
312603 landline Chicago Ameritech Illinois Sep 11, 1994
312604 landline Chicago Xo Illinois Jan 25, 1998
312605 landline Chicago Ovation Communications Of Illinois Aug 6, 2012
312606 landline Chicago Ameritech Illinois Feb 4, 1994
312607 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312608 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312609 landline Chicago Ameritech Illinois Feb 4, 1994
312610 wireless Chicago Cellco Partnership DBA Verizon Wireless Aug 6, 2012
312612 landline Chicago Ameritech Illinois Oct 31, 2000
312613 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312614 landline Chicago Ameritech Illinois Oct 19, 2012
312615 wireless Wheeling New Cingular Wireless PCS Feb 11, 1995
312616 landline Chicago Ameritech Illinois Feb 4, 1994
312617 wireless Chicago Sprint Spectrum Nov 11, 2003
312618 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312619 wireless Chicago T-mobile Usa Sep 11, 2012
312620 landline Chicago Bandwidth.com Clec Aug 15, 2012
312621 landline Chicago Ameritech Illinois Feb 4, 1994
312622 wireless Chicago New Cingular Wireless PCS Feb 14, 2001
312623 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312624 landline Chicago Rcn Telecom Services Of Illinois May 10, 1999
312625 landline Chicago Level 3 Communications May 1, 2002
312626 landline Chicago Broadvox-clec Feb 4, 2008
312627 landline Chicago Ameritech Illinois Feb 4, 1994
312628 landline Chicago Xo Illinois Jun 30, 2001
312629 landline Chicago Ameritech Illinois Feb 4, 1994
312630 landline Chicago Ameritech Illinois Feb 4, 1994
312631 landline Chicago Centurylink Communications LLC Jan 11, 2013
312632 landline Chicago Ameritech Illinois Jul 22, 1999
312633 landline Chicago Ameritech Illinois Feb 4, 1994
312634 landline Chicago Ameritech Illinois Feb 4, 1994
312635 landline Chicago Global Crossing Local Services-il Nov 11, 2003
312636 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312637 landline Chicago Broadwing Communications May 10, 1999
312638 landline Chicago Broadwing Communications Jan 25, 1998
312639 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312640 landline Chicago Ameritech Illinois Feb 4, 1994
312641 landline Chicago Ameritech Illinois Feb 4, 1994
312642 landline Chicago Ameritech Illinois Feb 4, 1994
312643 landline Chicago Rcn Telecom Services Of Illinois Jan 25, 1998
312644 landline Chicago Ameritech Illinois Oct 11, 1997
312645 landline Chicago Ameritech Illinois Oct 11, 1997
312646 landline Chicago Broadwing Communications Mar 27, 2007
312647 wireless Chicago T-mobile Usa May 24, 2013
312648 landline Chicago Ameritech Illinois Feb 4, 1994
312649 landline Chicago Ameritech Illinois Feb 4, 1994
312650 landline Chicago Rcn Telecom Services Of Illinois Jan 25, 1998
312651 landline Chicago Ameritech Illinois Jan 25, 1998
312652 landline Chicago Ameritech Illinois Nov 11, 2003
312653 landline Chicago Ameritech Illinois Jul 4, 1995
312654 landline Chicago Ameritech Illinois Feb 4, 1994
312655 landline Chicago Ameritech Illinois Feb 4, 1994
312656 wireless Chicago Sprint Spectrum Jul 6, 1997
312657 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312658 landline Chicago Ameritech Illinois Nov 11, 2003
312659 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312660 landline Chicago Teleport Communications America Jan 25, 1998
312661 landline Chicago Ameritech Illinois Feb 4, 1994
312662 landline Chicago Ameritech Illinois Aug 20, 2000
312663 landline Chicago Ameritech Illinois Feb 4, 1994
312664 landline Chicago Ameritech Illinois Feb 4, 1994
312665 landline Chicago Teleport Communications America Jan 25, 1998
312666 landline Chicago Ameritech Illinois Feb 4, 1994
312667 landline Chicago Peerless Network Of Illinois Aug 31, 2012
312669 landline Chicago Ameritech Illinois Feb 4, 1994
312670 landline Chicago Ameritech Illinois Feb 4, 1994
312671 wireless Chicago Sprint Spectrum Nov 11, 2003
312672 landline Chicago Ameritech Illinois Oct 11, 1997
312673 landline Chicago First Communications LLC Apr 1, 1997
312674 landline Chicago Ameritech Illinois Oct 11, 1997
312675 landline Chicago Ameritech Illinois Aug 20, 2000
312676 landline Chicago First Communications LLC Jun 16, 2006
312677 wireless Chicago Usa Mobility Wireless Oct 15, 1996
312678 wireless Chicago T-mobile Usa Jul 25, 2013
312679 wireless Chicago American Messaging (am) Apr 23, 2001
312680 wireless Chicago Usa Mobility Wireless Jan 10, 1996
312681 landline Chicago Ameritech Illinois Aug 20, 2000
312682 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312683 landline Chicago Ameritech Illinois Nov 11, 2003
312685 wireless Chicago Sprint Spectrum Oct 13, 1999
312688 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312689 wireless Chicago American Messaging (am) Apr 13, 2001
312690 Chicago Rclec May 6, 2014
312691 wireless Chicago Indiana Paging Ntwk Apr 1, 1997
312692 landline Chicago Ameritech Illinois Feb 4, 1994
312693 landline Chicago Ameritech Illinois Jan 25, 1998
312694 landline Chicago Ameritech Illinois Oct 31, 2000
312695 landline Chicago Ameritech Illinois May 10, 1999
312696 landline Chicago Ameritech Illinois Nov 11, 2003
312697 landline Chicago Ameritech Illinois Nov 11, 2003
312698 landline Chicago Broadwing Communications Aug 23, 2001
312699 wireless Hinsdale New Cingular Wireless PCS Feb 11, 1995
312701 landline Chicago Ameritech Illinois Feb 4, 1994
312702 landline Chicago Mcimetro Access Transmission Services LLC Dec 31, 2012
312703 wireless Chicago Ameritech Illinois Feb 4, 1994
312704 landline Chicago Ameritech Illinois Feb 4, 1994
312705 landline Chicago Teleport Communications America Feb 4, 1994
312706 landline Chicago Teleport Communications America Feb 11, 1995
312707 landline Chicago Ameritech Illinois Feb 4, 1994
312709 wireless Chicago T-mobile Usa May 24, 2013
312710 landline Chicago Ameritech Illinois Jul 4, 1995
312712 landline Chicago Ameritech Illinois Feb 4, 1994
312713 wireless Chicago American Messaging (am) Apr 16, 2001
312714 landline Chicago Ameritech Illinois Oct 31, 2000
312715 landline Chicago Ameritech Illinois Feb 4, 1994
312716 wireless Chicago Ameritech Illinois Feb 4, 1994
312717 wireless La Grange Park Usa Mobility Wireless Feb 11, 1995
312718 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312719 wireless Chicago Sprint Spectrum Nov 11, 2003
312720 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312721 wireless Chicago T-mobile Usa Oct 22, 2013
312724 landline Chicago Bandwidth.com Clec Feb 7, 2013
312725 landline Chicago Bandwidth.com Clec Oct 8, 2008
312726 landline Chicago Ameritech Illinois Feb 4, 1994
312727 landline Chicago Ameritech Illinois Feb 4, 1994
312729 landline Chicago Ameritech Illinois Jul 6, 1997
312730 landline Chicago AT&T Local Jan 25, 1998
312731 landline Chicago T-mobile Usa Jan 25, 1998
312732 landline Chicago Ameritech Illinois Feb 4, 1994
312733 landline Chicago Ameritech Illinois Feb 4, 1994
312735 wireless Chicago Sprint Spectrum Jul 6, 2001
312737 landline Chicago Ameritech Illinois Jan 25, 1998
312738 landline Chicago Ameritech Illinois Feb 4, 1994
312739 landline Chicago Ameritech Illinois Nov 11, 2003
312740 wireless Chicago American Messaging (am) Apr 13, 2001
312742 landline Chicago Ameritech Illinois Feb 11, 1995
312743 landline Chicago Ameritech Illinois Nov 15, 2001
312744 landline Chicago Ameritech Illinois Feb 4, 1994
312745 landline Chicago Ameritech Illinois Jan 25, 1998
312746 landline Chicago Ameritech Illinois Feb 4, 1994
312747 landline Chicago Ameritech Illinois Feb 4, 1994
312748 wireless Chicago Usa Mobility Wireless Nov 11, 2003
312749 wireless Hinsdale New Cingular Wireless PCS Feb 11, 1995
312750 landline Chicago Ameritech Illinois Feb 4, 1994
312751 landline Chicago Ameritech Illinois Feb 4, 1994
312752 landline Chicago Broadwing Communications Apr 19, 2002
312753 landline Chicago Rcn Telecom Services Of Illinois Jan 25, 1998
312754 landline Chicago Tw Telecom Of Illinois LLC Feb 26, 2013
312755 landline Chicago Ameritech Illinois Feb 4, 1994
312756 landline Chicago Ameritech Illinois Feb 27, 1999
312757 landline Chicago Citrix Communications LLC Mar 28, 2013
312758 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312759 landline Chicago Ameritech Illinois Feb 4, 1994
312760 wireless Chicago American Messaging (am) Apr 13, 2001
312762 landline Chicago Ameritech Illinois Jan 14, 2000
312763 Chicago Comcast Phone Of Illinois DBA Comco May 12, 2014
312765 landline Chicago Ameritech Illinois Feb 4, 1994
312766 Oct 15, 1996
312768 landline Chicago AT&T Local Jan 25, 1998
312769 wireless Chicago Indiana Paging Ntwk Jan 25, 1998
312770 landline Chicago Ameritech Illinois Feb 4, 1994
312771 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312772 wireless Chicago Cricket Communications Aug 18, 2008
312774 wireless Chicago T-mobile Usa Aug 19, 2013
312775 landline Chicago Ameritech Illinois Oct 13, 1999
312777 landline Chicago Teleport Communications America Jan 25, 1998
312780 landline Chicago Mci Worldcom Communications Jan 11, 1997
312781 landline Chicago Ameritech Illinois Nov 11, 2003
312782 landline Chicago Ameritech Illinois Feb 4, 1994
312784 landline Chicago First Communications LLC Jul 12, 2007
312785 Jul 24, 2008
312786 landline Chicago Ameritech Illinois Feb 4, 1994
312787 landline Chicago Ameritech Illinois Feb 4, 1994
312788 landline Chicago Ameritech Illinois Oct 31, 2000
312789 landline Chicago Ameritech Illinois Feb 4, 1994
312790 wireless Chicago Ameritech Illinois Feb 4, 1994
312791 landline Chicago Ameritech Illinois Feb 4, 1994
312793 landline Chicago Ameritech Illinois Feb 4, 1994
312794 landline Chicago Rcn Telecom Services Of Illinois Jan 25, 1998
312795 landline Chicago Ameritech Illinois Jul 6, 1997
312796 Nov 11, 2003
312797 landline Chicago Ameritech Illinois Feb 4, 1994
312798 landline Chicago Ameritech Illinois Oct 31, 2000
312799 landline Chicago Ameritech Illinois Jun 13, 2000
312800 landline Chicago Peerless Network Of Illinois Nov 20, 2012
312801 wireless Chicago 365 Wireless Apr 29, 2013
312802 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312803 landline Chicago Mci Worldcom Communications Sep 11, 1994
312804 wireless Chicago T-mobile Usa Jan 23, 2002
312805 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312806 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312807 landline Chicago Ameritech Illinois Feb 4, 1994
312808 landline Chicago Ameritech Illinois Feb 4, 1994
312809 landline Chicago Mcimetro Access Transmission Services LLC Oct 25, 2013
312810 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312812 wireless Chicago Ameritech Illinois Feb 4, 1994
312813 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312814 landline Chicago Ameritech Illinois Feb 4, 1994
312816 wireless Hinsdale New Cingular Wireless PCS Feb 11, 1995
312817 landline Chicago Ameritech Illinois Feb 11, 1995
312818 wireless Chicago T-mobile Usa Aug 19, 2013
312819 landline Chicago Ameritech Illinois Feb 4, 1994
312820 wireless Chicago Usa Mobility Wireless Nov 11, 2003
312821 landline Chicago Mci Worldcom Communications Jan 25, 1998
312822 landline Chicago Ameritech Illinois Feb 4, 1994
312823 landline Chicago Ameritech Illinois Sep 11, 1994
312824 Sep 11, 1994
312825 Apr 1, 1997
312826 Apr 1, 1997
312827 landline Chicago Ameritech Illinois Sep 11, 1994
312828 landline Chicago Ameritech Illinois Feb 4, 1994
312829 landline Chicago Ameritech Illinois Feb 4, 1994
312830 wireless Chicago Usa Mobility Wireless Nov 11, 2003
312831 landline Chicago Ameritech Illinois Feb 4, 1994
312832 landline Chicago Ameritech Illinois Jan 10, 1996
312833 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312834 landline Chicago Ameritech Illinois Oct 31, 2000
312835 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312836 landline Chicago Ameritech Illinois Oct 11, 1997
312837 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312839 wireless Chicago American Messaging (am) Apr 13, 2001
312840 landline Chicago Ameritech Illinois Feb 4, 1994
312841 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312842 landline Chicago Ameritech Illinois Feb 4, 1994
312843 landline Chicago Teleport Communications America Mar 12, 2014
312844 wireless Hinsdale New Cingular Wireless PCS Feb 11, 1995
312845 landline Chicago Ameritech Illinois Nov 11, 2003
312846 landline Chicago Ameritech Illinois Jan 25, 1998
312848 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312849 landline Chicago Ameritech Illinois Nov 11, 2003
312850 landline Chicago Ameritech Illinois Feb 4, 1994
312851 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312852 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312853 landline Chicago Ameritech Illinois Feb 4, 1994
312854 landline Chicago Rcn Telecom Services Of Illinois Jan 25, 1998
312855 landline Chicago Ameritech Illinois Feb 4, 1994
312856 landline Chicago Ameritech Illinois Feb 4, 1994
312857 landline Chicago Ameritech Illinois Feb 4, 1994
312858 Jul 18, 2008
312859 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312860 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312861 landline Chicago Ameritech Illinois Feb 4, 1994
312862 landline Chicago Ameritech Illinois Jan 25, 2006
312863 landline Chicago Ovation Communications Of Illinois Apr 10, 2001
312864 landline Chicago Ameritech Illinois Oct 31, 2000
312865 wireless Wheeling New Cingular Wireless PCS Feb 11, 1995
312867 landline Chicago Ameritech Illinois Jan 10, 1996
312869 landline Chicago Ameritech Illinois Oct 31, 2000
312870 landline Chicago First Communications LLC Jul 6, 1997
312873 landline Chicago Mci Worldcom Communications Jan 25, 1998
312875 landline Chicago Ameritech Illinois Feb 4, 1994
312876 landline Chicago Ameritech Illinois Oct 11, 1997
312877 Feb 4, 1994
312878 landline Chicago Peerless Network Of Illinois Feb 4, 2008
312879 landline Chicago Ameritech Illinois Feb 4, 1994
312880 landline Chicago Ameritech Illinois Mar 3, 2001
312881 landline Chicago Ovation Communications Of Illinois Apr 10, 2001
312882 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312884 landline Chicago Ovation Communications Of Illinois Apr 10, 2001
312886 landline Chicago Ameritech Illinois Feb 4, 1994
312887 landline Chicago Ameritech Illinois Jul 22, 1999
312888 landline Chicago New Cingular Wireless PCS Feb 19, 2009
312890 wireless Chicago Sprint Spectrum Mar 3, 2001
312891 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312892 landline Chicago Broadwing Communications Jan 25, 1998
312893 landline Chicago Broadwing Communications Jan 25, 1998
312894 landline Chicago Mcimetro Access Transmission Services LLC Jan 25, 1998
312895 landline Chicago Broadwing Communications Jul 6, 1997
312896 landline Chicago Broadwing Communications Nov 20, 1998
312897 Feb 11, 1995
312898 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312899 landline Chicago Ameritech Illinois Feb 4, 1994
312901 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312902 landline Chicago Ameritech Illinois Feb 4, 1994
312903 wireless Chicago American Messaging (am) Apr 13, 2001
312904 landline Chicago Ameritech Illinois Feb 4, 1994
312905 landline Chicago Ameritech Illinois Nov 11, 2003
312906 landline Chicago Ameritech Illinois Feb 4, 1994
312907 wireless Chicago Sprint Spectrum Jan 25, 1998
312908 landline Chicago Ameritech Illinois Feb 4, 1994
312909 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312910 wireless Chicago Usa Mobility Wireless Nov 11, 2003
312912 landline Chicago Ameritech Illinois Sep 11, 1994
312913 landline Chicago Ameritech Illinois Oct 11, 1997
312914 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312915 landline Chicago Ameritech Illinois Feb 4, 1994
312916 wireless Chicago American Messaging (am) Apr 23, 2001
312917 landline Chicago Ameritech Illinois Feb 4, 1994
312918 wireless Chicago T-mobile Usa Aug 19, 2013
312919 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312920 landline Chicago Ameritech Illinois Nov 11, 2003
312921 landline Chicago Ameritech Illinois Jul 21, 2008
312922 landline Chicago Ameritech Illinois Feb 4, 1994
312923 landline Chicago Ameritech Illinois Feb 4, 1994
312924 landline Chicago Paetec Communications Mar 3, 2001
312925 wireless Chicago New Cingular Wireless PCS Jan 25, 1998
312926 landline Chicago Ameritech Illinois Apr 1, 1997
312927 wireless Chicago T-mobile Usa Aug 21, 2002
312928 landline Chicago Ameritech Illinois Apr 1, 1997
312929 landline Chicago T-mobile Usa Apr 27, 2006
312930 landline Chicago Ameritech Illinois Feb 4, 1994
312931 landline Chicago Ameritech Illinois Feb 4, 1994
312932 landline Chicago Ameritech Illinois Feb 4, 1994
312933 wireless Chicago Sprint Spectrum Jan 25, 1998
312934 Feb 4, 1994
312935 landline Chicago Ameritech Illinois Jan 25, 1998
312936 wireless Chicago Ameritech Illinois Feb 4, 1994
312937 Feb 4, 1994
312938 landline Chicago Ameritech Illinois Feb 4, 1994
312939 landline Chicago Ameritech Illinois Feb 4, 1994
312940 landline Chicago Peerless Network Of Illinois Sep 20, 2013
312941 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312942 landline Chicago Ameritech Illinois Feb 4, 1994
312943 landline Chicago Ameritech Illinois Feb 4, 1994
312944 landline Chicago Ameritech Illinois Feb 4, 1994
312945 landline Chicago Ameritech Illinois Feb 4, 1994
312946 landline Chicago Ameritech Illinois Feb 4, 1994
312947 landline Chicago Ameritech Illinois Nov 18, 2010
312948 landline Chicago Ovation Communications Of Illinois Apr 10, 2001
312949 landline Chicago Ameritech Illinois Feb 4, 1994
312951 landline Chicago Ameritech Illinois Feb 4, 1994
312952 wireless Chicago New Cingular Wireless PCS Oct 15, 1996
312953 wireless Chicago New Cingular Wireless PCS Apr 1, 1997
312954 landline Chicago Ameritech Illinois Feb 4, 1994
312955 landline Chicago Rcn Telecom Services Of Illinois Jan 25, 1998
312956 Feb 11, 1995
312957 landline Chicago Ameritech Illinois Sep 11, 1994
312960 landline Chicago Ameritech Illinois Jul 6, 1997
312961 wireless Chicago New Cingular Wireless PCS Jan 25, 1998
312962 landline Chicago Global Crossing Local Services-il Jan 25, 1998
312963 wireless Chicago Usa Mobility Wireless Feb 11, 1995
312964 Jul 6, 1997
312965 wireless Chicago Cellco Partnership DBA Verizon Wireless Nov 11, 2003
312968 wireless La Grange Park Cellco Partnership DBA Verizon Wireless Feb 11, 1995
312969 wireless La Grange Park Cellco Partnership DBA Verizon Wireless Feb 11, 1995
312970 landline Chicago Ameritech Illinois Mar 3, 2001
312971 Chicago Bandwidth.com Clec May 1, 2014
312972 wireless Chicago New Cingular Wireless PCS Nov 11, 2003
312973 landline Chicago Mcimetro Access Transmission Services LLC Feb 19, 2014
312974 landline Chicago Ameritech Illinois Feb 4, 1994
312977 landline Chicago Ameritech Illinois Feb 4, 1994
312978 wireless Chicago T-mobile Usa Oct 22, 2013
312979 wireless Chicago Ameritech Illinois Feb 4, 1994
312980 landline Chicago Teleport Communications America Apr 1, 1997
312981 landline Chicago Ovation Communications Of Illinois Apr 10, 2001
312982 wireless Chicago Usa Mobility Wireless Feb 4, 1994
312983 landline Chicago Ameritech Illinois Feb 4, 1994
312984 landline Chicago Ameritech Illinois Feb 4, 1994
312985 landline Chicago Ovation Communications Of Illinois Apr 10, 2001
312986 landline Chicago Ameritech Illinois Feb 4, 1994
312987 landline Chicago Ameritech Illinois Feb 4, 1994
312988 landline Chicago Ameritech Illinois Feb 4, 1994
312990 wireless Hinsdale New Cingular Wireless PCS Feb 11, 1995
312991 wireless Wheeling New Cingular Wireless PCS Feb 11, 1995
312992 landline Chicago Ameritech Illinois Jan 25, 1998
312993 landline Chicago Ameritech Illinois Feb 4, 1994
312994 landline Chicago Ovation Communications Of Illinois Apr 10, 2001
312996 landline Chicago Ameritech Illinois Feb 4, 1994
312997 landline Chicago Ameritech Illinois Feb 4, 1994
312998 Oct 15, 1996
312999 landline Chicago Xo Illinois Aug 20, 2010