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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-366 5 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-366 6 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-366 7 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-366 8 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-366 9 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-367 A El Segundo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-367 0 El Segundo CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-367 1 El Segundo CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-367 2 El Segundo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-367 3 El Segundo CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-367 4 El Segundo CA ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
424-367 5 El Segundo CA ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
424-367 6 El Segundo CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
424-367 7 El Segundo CA   515J IP HORIZON LLC 730      
424-367 8 El Segundo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-367 9 El Segundo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-368 A San Pedro CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-01-23   
424-368 0 San Pedro CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-368 1 San Pedro CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
424-368 2 San Pedro CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-368 3 San Pedro CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-368 4 San Pedro CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-368 5 San Pedro CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-368 6 San Pedro CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
424-368 7 San Pedro CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
424-368 8 San Pedro CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
424-368 9 San Pedro CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-369 A West Los Angeles CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
424-369 0 West Los Angeles CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730      
424-369 1 West Los Angeles CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
424-369 2 West Los Angeles CA   515J IP HORIZON LLC 730      
424-369 3 West Los Angeles CA   515J IP HORIZON LLC 730      
424-369 4 West Los Angeles CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-369 5 West Los Angeles CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
424-369 6 West Los Angeles CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730      
424-369 7 West Los Angeles CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730      
424-369 8 West Los Angeles CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
424-369 9 West Los Angeles CA   515J IP HORIZON LLC 730      
424-370 A Compton: Compton DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-370 0 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-370 1 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-370 2 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-370 3 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-370 4 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-370 5 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-370 6 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-370 7 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-370 8 Compton: Compton DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-370 9 Compton: Compton DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-371 A West Los Angeles CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-371 0 West Los Angeles CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-371 1 West Los Angeles CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-371 2 West Los Angeles CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-371 3 West Los Angeles CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-371 4 West Los Angeles CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-371 5 West Los Angeles CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
424-371 6 West Los Angeles CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-371 7 West Los Angeles CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730      
424-371 8 West Los Angeles CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-371 9 West Los Angeles CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-372 A West Los Angeles CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-372 0 West Los Angeles CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730      
424-372 1 West Los Angeles CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730      
424-372 2 West Los Angeles CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-372 3 West Los Angeles CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
424-372 4 West Los Angeles CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730      
424-372 5 West Los Angeles CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730      
424-372 6 West Los Angeles CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
424-372 7 West Los Angeles CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-372 8 West Los Angeles CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730      
424-372 9 West Los Angeles CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
424-373 A Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-373 0 Compton: Compton DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-373 1 Compton: Compton DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-373 2 Compton: Compton DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-373 3 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-373 4 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-373 5 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-373 6 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-373 7 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-373 8 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-373 9 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-374 A Hawthorne CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-374 0 Hawthorne CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-374 1 Hawthorne CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-374 2 Hawthorne CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-374 3 Hawthorne CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-374 4 Hawthorne CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
424-374 5 Hawthorne CA   145J TERRA NOVA TELECOM INC. 730      
424-374 6 Hawthorne CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-374 7 Hawthorne CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-374 8 Hawthorne CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
424-374 9 Hawthorne CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-375 A Compton: Gardena DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-375 0 Compton: Gardena DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-375 1 Compton: Gardena DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-375 2 Compton: Gardena DA CA   515J IP HORIZON LLC 730      
424-375 3 Compton: Gardena DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
424-375 4 Compton: Gardena DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-375 5 Compton: Gardena DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      

<< 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 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.