Prefix | Type | Primary City | Carrier | Introduced |
424200 |
wireless |
Hawthorne |
Cellco Partnership DBA Verizon Wireless |
Feb 21, 2007 |
424201 |
landline |
Torrance |
Level 3 Communications |
Nov 15, 2006 |
424202 |
wireless |
Beverly Hills |
Cellco Partnership DBA Verizon Wireless |
Oct 25, 2006 |
424203 |
landline |
Long Beach |
Xo California |
Nov 30, 2006 |
424204 |
landline |
Beverly Hills |
Xo California |
Nov 30, 2006 |
424205 |
landline |
San Pedro |
Allegiance Telecom |
Nov 30, 2006 |
424206 |
landline |
Hermosa Beach |
Level 3 Communications |
Dec 2, 2006 |
424207 |
wireless |
Los Angeles |
Sprint Spectrum |
Dec 11, 2006 |
424208 |
wireless |
W Los Angeles |
Sprint Spectrum |
Dec 4, 2006 |
424209 |
landline |
Culver City |
Ymax Communications Corp. |
Jan 8, 2007 |
424210 |
wireless |
San Pedro |
T-mobile Usa |
Dec 18, 2006 |
424212 |
wireless |
Hermosa Beach |
Sprint Spectrum |
Dec 15, 2006 |
424213 |
wireless |
Compton |
T-mobile Usa |
Dec 21, 2006 |
424214 |
wireless |
Santa Monica |
Sprint Spectrum |
Jan 24, 2007 |
424215 |
wireless |
San Pedro |
Sprint Spectrum |
Jan 25, 2007 |
424216 |
wireless |
Mar Vista |
T-mobile Usa |
Feb 15, 2007 |
424217 |
wireless |
El Segundo |
T-mobile Usa |
Feb 24, 2007 |
424218 |
landline |
El Segundo |
U.s. Telepacific Corp. |
Mar 8, 2007 |
424219 |
wireless |
Gardena |
Sprint Spectrum |
Mar 13, 2007 |
424220 |
landline |
El Segundo |
Tcast Communications |
Mar 16, 2007 |
424221 |
wireless |
Gardena |
Metropcs Networks |
Mar 19, 2007 |
424222 |
wireless |
Lomita |
Metropcs Networks |
Mar 20, 2007 |
424223 |
wireless |
Inglewood |
Metropcs Networks |
Mar 20, 2007 |
424224 |
wireless |
San Pedro |
Metropcs Networks |
Mar 21, 2007 |
424225 |
wireless |
El Segundo |
New Cingular Wireless PCS |
Mar 28, 2007 |
424226 |
landline |
San Pedro |
Xo California |
Apr 22, 2007 |
424227 |
wireless |
Inglewood |
Cellco Partnership DBA Verizon Wireless |
Jun 16, 2006 |
424228 |
wireless |
Mar Vista |
Metropcs Networks |
May 7, 2007 |
424229 |
wireless |
Santa Monica |
Metropcs Networks |
May 9, 2007 |
424230 |
wireless |
Beverly Hills |
Sprint Spectrum |
Aug 23, 2007 |
424231 |
landline |
Santa Monica |
Level 3 Communications |
Jun 4, 2010 |
424232 |
wireless |
Gardena |
Sprint Spectrum |
Aug 24, 2007 |
424233 |
wireless |
Gardena |
Sprint Spectrum |
Aug 24, 2007 |
424234 |
wireless |
Malibu |
Cellco Partnership DBA Verizon Wireless |
Sep 15, 2007 |
424235 |
wireless |
Malibu |
Sprint Spectrum |
Sep 18, 2007 |
424236 |
wireless |
Hawthorne |
New Cingular Wireless PCS |
Sep 24, 2007 |
424237 |
landline |
El Segundo |
Metropcs Networks |
Jan 19, 2009 |
424238 |
landline |
Santa Monica |
Verizon California Inc.-ca (gte) |
Nov 7, 2007 |
424239 |
landline |
Los Angeles |
Cbeyond Communications |
Mar 11, 2008 |
424240 |
wireless |
Hawthorne |
Metropcs Networks |
Feb 22, 2008 |
424241 |
wireless |
Hermosa Beach |
Paetec Communications |
Mar 13, 2008 |
424242 |
landline |
Compton |
Level 3 Communications |
Apr 2, 2008 |
424243 |
landline |
Inglewood |
Level 3 Communications |
Apr 25, 2008 |
424244 |
landline |
Green |
U.s. Telepacific Corp. |
Sep 10, 2008 |
424245 |
landline |
Beverly Hills |
Xo California |
Sep 26, 2008 |
424246 |
landline |
Gardena |
Metropcs Networks |
Oct 23, 2008 |
424247 |
wireless |
Hermosa Beach |
Sprint Spectrum |
Apr 25, 2006 |
424248 |
landline |
Los Angeles |
Allegiance Telecom |
Nov 6, 2008 |
424249 |
wireless |
Beverly Hills |
Metropcs Networks |
Feb 23, 2009 |
424250 |
landline |
Gardena |
Cbeyond Communications |
May 7, 2009 |
424251 |
wireless |
Lomita |
Cellco Partnership DBA Verizon Wireless |
May 7, 2009 |
424252 |
landline |
Santa Monica |
Paetec Communications |
Aug 18, 2009 |
424253 |
landline |
Beverly Hills |
Xo California |
Oct 26, 2009 |
424254 |
landline |
Long Beach |
Xo California |
Mar 12, 2010 |
424255 |
wireless |
Hawthorne |
Cellco Partnership DBA Verizon Wireless |
Apr 9, 2010 |
424256 |
landline |
Los Angeles |
Bandwidth.com Clec |
Jun 14, 2010 |
424257 |
landline |
Hermosa Beach |
Bandwidth.com Clec |
Oct 11, 2010 |
424258 |
landline |
Culver City |
Paetec Communications |
May 28, 2008 |
424259 |
landline |
Santa Monica |
Paetec Communications |
May 20, 2009 |
424260 |
landline |
Gardena |
Bandwidth.com Clec |
Jul 20, 2010 |
424261 |
landline |
Inglewood |
Bandwidth.com Clec |
Jul 20, 2010 |
424262 |
landline |
Hermosa Beach |
Bandwidth.com Clec |
Jul 20, 2010 |
424263 |
landline |
Lomita |
Sbc Internet Services |
Mar 23, 2006 |
424264 |
landline |
San Pedro |
Sbc Internet Services |
Mar 23, 2006 |
424265 |
landline |
Hermosa Beach |
Bandwidth.com Clec |
Jul 20, 2010 |
424266 |
landline |
Gardena |
Bandwidth.com Clec |
Jul 20, 2010 |
424267 |
landline |
San Pedro |
Xo California |
Nov 19, 2010 |
424268 |
landline |
Santa Monica |
Level 3 Communications |
Nov 22, 2010 |
424269 |
landline |
Los Angeles |
Level 3 Communications |
Nov 23, 2010 |
424270 |
landline |
W Los Angeles |
Level 3 Communications |
Dec 13, 2006 |
424271 |
landline |
Torrance |
Level 3 Communications |
Dec 16, 2010 |
424272 |
landline |
Santa Monica |
Teleport Communications Group - Los Angeles |
Feb 25, 2011 |
424273 |
wireless |
W Los Angeles |
Cellco Partnership DBA Verizon Wireless |
Apr 20, 2011 |
424274 |
landline |
Beverly Hills |
Bandwidth.com Clec |
Apr 15, 2011 |
424275 |
landline |
Hermosa Beach |
Level 3 Communications |
May 9, 2011 |
424276 |
landline |
W Los Angeles |
Bandwidth.com Clec |
Jun 29, 2011 |
424277 |
landline |
Los Angeles |
Level 3 Communications |
Jul 15, 2011 |
424278 |
wireless |
Beverly Hills |
New Cingular Wireless PCS |
Jul 18, 2011 |
424279 |
landline |
Beverly Hills |
Cbeyond Communications |
Jul 19, 2011 |
424280 |
wireless |
Santa Monica |
Cellco Partnership DBA Verizon Wireless |
Sep 13, 2011 |
424281 |
landline |
Los Angeles |
Bandwidth.com Clec |
Jul 20, 2011 |
424282 |
landline |
Gardena |
Cbeyond Communications |
May 25, 2012 |
424283 |
landline |
Los Angeles |
Peerless Network Of California |
Jun 7, 2012 |
424284 |
landline |
Los Angeles |
Onvoy |
Oct 19, 2012 |
424285 |
landline |
Sherman Oaks |
Level 3 Communications |
Nov 2, 2012 |
424286 |
landline |
Green |
Level 3 Communications |
Aug 30, 2011 |
424287 |
wireless |
San Pedro |
Sprint Spectrum |
Dec 14, 2012 |
424288 |
landline |
Beverly Hills |
Pacific Bell |
Oct 27, 2006 |
424289 |
landline |
Los Angeles |
U.s. Telepacific Corp. |
Dec 17, 2012 |
424290 |
landline |
El Segundo |
Bandwidth.com Clec |
Jan 4, 2013 |
424291 |
landline |
Santa Monica |
Centurylink Communications LLC |
Feb 4, 2013 |
424292 |
landline |
Green |
Centurylink Communications LLC |
Feb 4, 2013 |
424293 |
landline |
Los Angeles |
Level 3 Communications |
Feb 11, 2013 |
424294 |
landline |
Hawthorne |
Global Crossing Local Services-ca |
Oct 18, 2006 |
424295 |
wireless |
Gardena |
Sprint Spectrum |
Feb 15, 2013 |
424296 |
landline |
Los Angeles |
Level 3 Communications |
Apr 1, 2013 |
424297 |
landline |
Los Angeles |
Centurylink Communications LLC |
Feb 4, 2013 |
424298 |
wireless |
Culver City |
New Cingular Wireless PCS |
Jun 30, 2006 |
424299 |
landline |
Santa Monica |
T-mobile Usa |
Jun 26, 2013 |
424300 |
landline |
Green |
Cf Communications DBA Telekenex |
Nov 1, 2011 |
424302 |
landline |
Sherman Oaks |
Time Warner Cbl Info Svcs (ca) DBAtime Warner Cbl |
Jun 13, 2013 |
424314 |
landline |
Beverly Hills |
Pacific Bell |
Feb 14, 2012 |
424315 |
landline |
Beverly Hills |
Pacific Bell |
Feb 14, 2012 |
424320 |
landline |
Los Angeles |
Level 3 Communications |
Oct 8, 2013 |
424321 |
wireless |
El Segundo |
T-mobile Usa |
Jun 17, 2013 |
424322 |
landline |
Santa Monica |
Level 3 Communications |
May 31, 2013 |
424324 |
wireless |
Los Angeles |
T-mobile Usa |
Mar 7, 2014 |
424325 |
landline |
Los Angeles |
Peerless Network Of California |
Oct 1, 2013 |
424326 |
landline |
Los Angeles |
Telcentris Communications |
Jun 3, 2013 |
424327 |
landline |
Hermosa Beach |
Cox California Telcom, L.l.c. |
Jun 26, 2013 |
424328 |
landline |
Lomita |
Centurylink Communications LLC |
Feb 4, 2013 |
424329 |
wireless |
Green |
New Cingular Wireless PCS |
Aug 8, 2013 |
424331 |
landline |
Los Angeles |
Bandwidth.com Clec |
Apr 26, 2013 |
424332 |
wireless |
Los Angeles |
T-mobile Usa |
May 16, 2013 |
424333 |
landline |
Los Angeles |
Telcentris Communications |
Aug 17, 2010 |
424334 |
landline |
San Pedro |
Level 3 Communications |
Nov 13, 2013 |
424335 |
wireless |
Beverly Hills |
T-mobile Usa |
Aug 22, 2013 |
424336 |
landline |
Los Angeles |
Cf Communications DBA Telekenex |
Mar 2, 2011 |
424337 |
landline |
Torrance |
Teleport Communications Group - Los Angeles |
Nov 15, 2013 |
424338 |
landline |
Compton |
Pacific Bell |
Nov 26, 2013 |
424341 |
wireless |
Culver City |
T-mobile Usa |
Dec 9, 2013 |
424342 |
landline |
San Pedro |
Bandwidth.com Clec |
Feb 28, 2014 |
424343 |
wireless |
Los Angeles |
New Cingular Wireless PCS |
Mar 14, 2014 |
424345 |
landline |
Los Angeles |
Level 3 Communications |
Apr 4, 2014 |
424346 |
|
Los Angeles |
Bandwidth.com Clec |
Apr 17, 2014 |
424347 |
landline |
Lomita |
Mcimetro Access Transmission Services LLC |
Apr 11, 2014 |
424348 |
|
Los Angeles |
Level 3 Communications |
May 2, 2014 |
424351 |
|
Los Angeles |
Level 3 Communications |
Jul 14, 2014 |
424352 |
|
Los Angeles |
Bandwidth.com Clec |
May 22, 2014 |
424353 |
landline |
Mar Vista |
Time Warner Cbl Info Svcs (ca) DBAtime Warner Cbl |
Apr 28, 2014 |
424354 |
landline |
Beverly Hills |
Level 3 Communications |
Oct 16, 2006 |
424356 |
|
Los Angeles |
New Cingular Wireless PCS |
Jul 7, 2014 |
424365 |
|
Los Angeles |
Broadvox-clec |
May 2, 2014 |
424400 |
landline |
Hermosa Beach |
Cf Communications DBA Telekenex |
Sep 9, 2010 |
424442 |
landline |
W Los Angeles |
Paetec Communications |
Jun 24, 2008 |
424444 |
landline |
Compton |
Telcentris Communications |
Jun 24, 2010 |
424456 |
landline |
Hawthorne |
O1 Communications |
Aug 10, 2006 |
424465 |
landline |
Los Angeles |
Telcentris Communications |
Apr 24, 2012 |
424477 |
landline |
San Pedro |
Charter Fiberlink Ca-cco |
Jun 20, 2006 |
424488 |
landline |
Torrance |
Cf Communications DBA Telekenex |
Oct 16, 2012 |
424500 |
landline |
Los Angeles |
Cf Communications DBA Telekenex |
Nov 1, 2011 |
424529 |
landline |
Compton |
Cf Communications DBA Telekenex |
Apr 28, 2011 |
424543 |
landline |
Culver City |
Level 3 Communications |
May 29, 2008 |
424558 |
wireless |
Torrance |
New Cingular Wireless PCS |
Mar 16, 2006 |
424568 |
landline |
Inglewood |
Paetec Communications |
Sep 21, 2006 |
424570 |
landline |
San Pedro |
Global Crossing Local Services-ca |
Dec 16, 2009 |
424571 |
wireless |
Torrance |
Metropcs Networks |
Dec 15, 2009 |
424600 |
landline |
Los Angeles |
Cf Communications DBA Telekenex |
Nov 15, 2011 |
424603 |
landline |
Culver City |
Sbc Internet Services |
Jun 19, 2006 |
424610 |
|
Los Angeles |
Mci Worldcom Communications, CA |
Jun 24, 2014 |
424625 |
landline |
Mar Vista |
Level 3 Communications |
May 28, 2008 |
424634 |
landline |
Hermosa Beach |
Global Crossing Local Services-ca |
May 1, 2006 |
424644 |
landline |
Malibu |
Charter Fiberlink Ca-cco |
Apr 26, 2006 |
424645 |
landline |
Santa Monica |
Level 3 Communications |
May 16, 2006 |
424646 |
landline |
Inglewood |
Pacific Bell |
Sep 2, 2008 |
424652 |
wireless |
W Los Angeles |
Global Crossing Local Services-ca |
Oct 6, 2006 |
424653 |
landline |
Beverly Hills |
Xo California |
Jul 7, 2006 |
424666 |
landline |
Los Angeles |
Telcentris Communications |
Aug 18, 2010 |
424672 |
landline |
Culver City |
O1 Communications |
Aug 10, 2006 |
424675 |
wireless |
Los Angeles |
New Cingular Wireless PCS |
Mar 20, 2006 |
424702 |
landline |
Los Angeles |
Pac - West Telecomm |
Mar 16, 2006 |
424703 |
wireless |
San Pedro |
Metropcs Networks |
Jan 5, 2010 |
424704 |
wireless |
Los Angeles |
Broadvox-clec |
Oct 6, 2006 |
424731 |
wireless |
Torrance |
Cellco Partnership DBA Verizon Wireless |
Jul 18, 2006 |
424732 |
landline |
Los Angeles |
Telcentris Communications |
Apr 24, 2012 |
424738 |
landline |
San Pedro |
Sbc Internet Services |
Dec 14, 2009 |
424744 |
landline |
Santa Monica |
Global Crossing Local Services-ca |
Sep 12, 2006 |
424750 |
landline |
Inglewood |
Global Crossing Local Services-ca |
Mar 31, 2006 |
424757 |
landline |
Torrance |
Pac - West Telecomm |
Mar 16, 2006 |
424772 |
landline |
San Pedro |
Cox California Telcom, L.l.c. |
Mar 15, 2006 |
424777 |
landline |
Beverly Hills |
Telcentris Communications |
Jun 23, 2010 |
424781 |
landline |
Malibu |
Ymax Communications Corp. |
Oct 4, 2006 |
424785 |
landline |
Los Angeles |
Level 3 Communications |
Oct 11, 2006 |
424789 |
landline |
Los Angeles |
Level 3 Communications |
Mar 28, 2006 |
424800 |
landline |
Los Angeles |
Cf Communications DBA Telekenex |
Nov 1, 2011 |
424832 |
wireless |
W Los Angeles |
Cellco Partnership DBA Verizon Wireless |
Jul 18, 2006 |
424835 |
landline |
Mar Vista |
Time Warner Cbl Info Svcs (ca) DBAtime Warner Cbl |
Jun 26, 2008 |
424888 |
landline |
Inglewood |
Telcentris Communications |
Jul 23, 2010 |
424900 |
landline |
Los Angeles |
Cf Communications DBA Telekenex |
Nov 2, 2011 |
424901 |
wireless |
Los Angeles |
Sprint Spectrum |
Mar 30, 2006 |
424903 |
landline |
Hermosa Beach |
Level 3 Communications |
Dec 13, 2006 |
424999 |
landline |
Torrance |
Telcentris Communications |
Aug 12, 2010 |