Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: SHOKCA02QMD

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
424-227 9 Inglewood CA 793K TWC IP ENABLED SERVICES, LLC 730   2007-09-11   
424-245 4 Beverly Hills CA 793K TWC IP ENABLED SERVICES, LLC 730   2008-11-19   
424-249 3 Beverly Hills CA 793K TWC IP ENABLED SERVICES, LLC 730   2009-10-21   
424-250 9 Lomita CA 793K TWC IP ENABLED SERVICES, LLC 730   2012-04-06   
424-258 6 Culver City CA 793K TWC IP ENABLED SERVICES, LLC 730   2012-07-03   
424-263 2 Lomita CA 793K TWC IP ENABLED SERVICES, LLC 730   2008-12-31   
424-263 4 Lomita CA 793K TWC IP ENABLED SERVICES, LLC 730   2007-01-10   
424-266 9 Compton: Gardena DA CA 793K TWC IP ENABLED SERVICES, LLC 730   2012-07-06   
424-267 5 San Pedro CA 793K TWC IP ENABLED SERVICES, LLC 730   2017-10-27   
424-269 0 Hawthorne CA 793K TWC IP ENABLED SERVICES, LLC 730   2011-02-23   
424-269 1 Hawthorne CA 793K TWC IP ENABLED SERVICES, LLC 730   2011-02-23   
424-271 7 Torrance CA 793K TWC IP ENABLED SERVICES, LLC 730   2012-04-06   
424-274 3 Beverly Hills CA 793K TWC IP ENABLED SERVICES, LLC 730   2012-04-08   
424-277 1 El Segundo CA 793K TWC IP ENABLED SERVICES, LLC 730   2012-07-02   
424-278 1 Beverly Hills CA 793K TWC IP ENABLED SERVICES, LLC 730   2011-10-23   
424-279 9 Beverly Hills CA 793K TWC IP ENABLED SERVICES, LLC 730   2012-07-06   
424-284 3 Beverly Hills CA 793K TWC IP ENABLED SERVICES, LLC 730   2013-08-22   
424-287 0 San Pedro CA 793K TWC IP ENABLED SERVICES, LLC 730   2013-08-22   
424-288 4 Beverly Hills CA 793K TWC IP ENABLED SERVICES, LLC 730   2007-03-13   
424-290 3 El Segundo CA 793K TWC IP ENABLED SERVICES, LLC 730   2013-08-22   
424-292 3 Compton: Gardena DA CA 793K TWC IP ENABLED SERVICES, LLC 730   2013-08-22   
424-297 0 Hawthorne CA 793K TWC IP ENABLED SERVICES, LLC 730   2013-08-22   
424-297 3 Hawthorne CA 793K TWC IP ENABLED SERVICES, LLC 730   2013-10-15   
424-298 8 Culver City CA 793K TWC IP ENABLED SERVICES, LLC 730   2007-03-13   
424-302 A Beverly Hills CA 793K TWC IP ENABLED SERVICES, LLC 730      
424-302 0 Beverly Hills CA 793K TWC IP ENABLED SERVICES, LLC 730   2013-10-15   
424-303 7 Beverly Hills CA 793K TWC IP ENABLED SERVICES, LLC 730   2015-11-23   
424-305 2 Lomita CA 793K TWC IP ENABLED SERVICES, LLC 730   2018-10-12   
424-305 4 Lomita CA 793K TWC IP ENABLED SERVICES, LLC 730   2016-07-10   
424-309 9 Inglewood CA 793K TWC IP ENABLED SERVICES, LLC 730   2016-06-17   
424-312 1 Inglewood CA 793K TWC IP ENABLED SERVICES, LLC 730   2016-02-08   
424-313 8 Beverly Hills CA 793K TWC IP ENABLED SERVICES, LLC 730   2016-04-25   
424-313 9 Beverly Hills CA 793K TWC IP ENABLED SERVICES, LLC 730   2016-07-28   
424-318 2 Torrance CA 793K TWC IP ENABLED SERVICES, LLC 730   2017-04-23   
424-326 9 Culver City CA 793K TWC IP ENABLED SERVICES, LLC 730   2013-08-19   
424-328 0 Lomita CA 793K TWC IP ENABLED SERVICES, LLC 730   2013-08-22   
424-329 0 Compton: Gardena DA CA 793K TWC IP ENABLED SERVICES, LLC 730   2014-05-05   
424-331 9 Inglewood CA 793K TWC IP ENABLED SERVICES, LLC 730   2013-08-01   
424-338 3 Compton: Compton DA CA 793K TWC IP ENABLED SERVICES, LLC 730   2014-03-21   
424-340 2 Compton: Gardena DA CA 793K TWC IP ENABLED SERVICES, LLC 730   2015-10-30   
424-340 9 Compton: Gardena DA CA 793K TWC IP ENABLED SERVICES, LLC 730   2016-07-10   
424-342 9 San Pedro CA 793K TWC IP ENABLED SERVICES, LLC 730   2014-04-29   
424-343 0 Beverly Hills CA 793K TWC IP ENABLED SERVICES, LLC 730   2014-04-30   
424-344 2 Compton: Gardena DA CA 793K TWC IP ENABLED SERVICES, LLC 730   2016-02-17   
424-355 0 Beverly Hills CA 793K TWC IP ENABLED SERVICES, LLC 730   2014-11-27   
424-358 1 Torrance CA 793K TWC IP ENABLED SERVICES, LLC 730   2015-09-28   
424-374 4 Hawthorne CA 793K TWC IP ENABLED SERVICES, LLC 730   2015-08-31   
424-374 8 Hawthorne CA 793K TWC IP ENABLED SERVICES, LLC 730   2014-12-17   
424-378 1 Lomita CA 793K TWC IP ENABLED SERVICES, LLC 730   2015-04-27   
424-382 1 Beverly Hills CA 793K TWC IP ENABLED SERVICES, LLC 730   2015-01-25   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >>

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.