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.

NPA: 424 [Rate centres in NPA 424] [Dial plan for NPA 424]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-219 1 Compton: Gardena DA CA   6664 SPRINT SPECTRUM L.P. 730   2007-05-25   
424-219 2 Compton: Gardena DA CA   6664 SPRINT SPECTRUM L.P. 730   2007-05-25   
424-219 3 Compton: Gardena DA CA   6664 SPRINT SPECTRUM L.P. 730   2007-05-25   
424-219 4 Compton: Gardena DA CA   6664 SPRINT SPECTRUM L.P. 730   2007-05-25   
424-219 5 Compton: Gardena DA CA   8827 BROADWING COMMUNICATIONS, LLC - CA 730   2007-04-30   
424-219 6 Compton: Gardena DA CA   899D METROPCS NETWORKS, LLC 730   2010-02-04   
424-219 7 Compton: Gardena DA CA   649C ONVOY, LLC - CA 730   2008-03-26   
424-219 8 Compton: Gardena DA CA   6664 SPRINT SPECTRUM L.P. 730   2007-04-28   
424-219 9 Compton: Gardena DA CA   649C ONVOY, LLC - CA 730   2008-07-01   
424-220 A El Segundo CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
424-220 0 El Segundo CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2007-05-22   
424-220 1 El Segundo CA   7379 MATRIX TELECOM, LLC. SII TNCI - CA 730   2008-07-20   
424-220 2 El Segundo CA   7379 MATRIX TELECOM, LLC. SII TNCI - CA 730   2010-08-09   
424-220 3 El Segundo CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730   2007-06-23   
424-220 4 El Segundo CA   206C CBEYOND COMMUNICATIONS, LLC - CA 730   2008-08-21   
424-220 5 El Segundo CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2010-08-09   
424-220 6 El Segundo CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2007-05-10   
424-220 7 El Segundo CA   7262 XO CALIFORNIA, INC. 730   2010-10-11   
424-220 8 El Segundo CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-09-01   
424-220 9 El Segundo CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-12-17   
424-221 A Compton: Gardena DA CA SFSQCA11CM0  899D METROPCS NETWORKS, LLC 730   2007-05-10   
424-221 0 Compton: Gardena DA CA   899D METROPCS NETWORKS, LLC 730   2007-05-10   
424-221 1 Compton: Gardena DA CA   899D METROPCS NETWORKS, LLC 730   2007-05-10   
424-221 2 Compton: Gardena DA CA   899D METROPCS NETWORKS, LLC 730   2007-05-10   
424-221 3 Compton: Gardena DA CA   899D METROPCS NETWORKS, LLC 730   2007-05-10   
424-221 4 Compton: Gardena DA CA   899D METROPCS NETWORKS, LLC 730   2008-07-18   
424-221 5 Compton: Gardena DA CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-12-09   
424-221 6 Compton: Gardena DA CA   899D METROPCS NETWORKS, LLC 730   2008-11-03   
424-221 7 Compton: Gardena DA CA   7421 AT&T LOCAL 730   2008-05-05   
424-221 8 Compton: Gardena DA CA   649C ONVOY, LLC - CA 730   2013-05-03   
424-221 9 Compton: Gardena DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2016-10-16   
424-222 A Lomita CA ANHNCA03CM1  899D METROPCS NETWORKS, LLC 730   2007-05-11   
424-222 0 Lomita CA   899D METROPCS NETWORKS, LLC 730   2007-05-11   
424-222 1 Lomita CA   899D METROPCS NETWORKS, LLC 730   2007-05-11   
424-222 2 Lomita CA   899D METROPCS NETWORKS, LLC 730   2007-05-11   
424-222 3 Lomita CA   899D METROPCS NETWORKS, LLC 730   2007-05-11   
424-222 4 Lomita CA   6529 T-MOBILE USA, INC. 730   2016-10-30   
424-222 5 Lomita CA   7379 MATRIX TELECOM, LLC. SII TNCI - CA 730   2009-04-10   
424-222 6 Lomita CA   899D METROPCS NETWORKS, LLC 730   2008-08-10   
424-222 7 Lomita CA   649C ONVOY, LLC - CA 730   2008-06-05   
424-222 8 Lomita CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-05-03   
424-222 9 Lomita CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2008-11-19   
424-223 A Inglewood CA ANHNCA03CM1  899D METROPCS NETWORKS, LLC 730   2007-05-11   
424-223 0 Inglewood CA   899D METROPCS NETWORKS, LLC 730   2007-05-11   
424-223 1 Inglewood CA   899D METROPCS NETWORKS, LLC 730   2007-05-11   
424-223 2 Inglewood CA   899D METROPCS NETWORKS, LLC 730   2007-05-11   
424-223 3 Inglewood CA   899D METROPCS NETWORKS, LLC 730   2007-05-11   
424-223 4 Inglewood CA   899D METROPCS NETWORKS, LLC 730   2008-07-18   
424-223 5 Inglewood CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-07-02   
424-223 6 Inglewood CA   7139 TELEPORT COMMUNICATIONS GROUP - LOS ANGELES 730   2009-04-26   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 >>

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.