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 67 68 69 70 71 72 73 74 75 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-347 6 Lomita CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-10-15   
424-347 7 Lomita CA ANHMCA01XEY  516C AT&T CORP. 730   2014-08-01   
424-347 8 Lomita CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-10-15   
424-347 9 Lomita CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-10-16   
424-348 A Hawthorne CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-348 0 Hawthorne CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-07-18   
424-348 1 Hawthorne CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-07-18   
424-348 2 Hawthorne CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-06-23   
424-348 3 Hawthorne CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-07-18   
424-348 4 Hawthorne CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-09-15   
424-348 5 Hawthorne CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2014-09-10   
424-348 6 Hawthorne CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-10-14   
424-348 7 Hawthorne CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-10-14   
424-348 8 Hawthorne CA ANHMCA01XEY  516C AT&T CORP. 730   2014-06-24   
424-348 9 Hawthorne CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-07-13   
424-349 A Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
424-349 0 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2015-05-25   
424-349 1 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2015-05-25   
424-349 2 Compton: Compton DA CA IRVNCASMGT0  7453 US TELEPACIFIC CORP. - CA 730   2015-05-24   
424-349 3 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2015-06-15   
424-349 4 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2015-06-15   
424-349 5 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2015-06-13   
424-349 6 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2015-06-13   
424-349 7 Compton: Compton DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2015-05-08   
424-349 8 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-05-12   
424-349 9 Compton: Compton DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-05-12   
424-350 A Redondo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
424-350 0 Redondo CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2015-10-31   
424-350 1 Redondo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-12-02   
424-350 2 Redondo CA ONTRCAXPXAY  252F WIDE VOICE, LLC - CA 730   2016-08-27   
424-350 3 Redondo CA ANHMCANGDS0  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2015-11-10   
424-350 4 Redondo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-12-02   
424-350 5 Redondo CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-12-31   
424-350 6 Redondo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-10-15   
424-350 7 Redondo CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2015-10-30   
424-350 8 Redondo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-10-11   
424-350 9 Redondo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-10-11   
424-351 A Inglewood CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
424-351 0 Inglewood CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-10-24   
424-351 1 Inglewood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2015-06-13   
424-351 2 Inglewood CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-09-04   
424-351 3 Inglewood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2015-06-13   
424-351 4 Inglewood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-12-03   
424-351 5 Inglewood CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2014-11-01   
424-351 6 Inglewood CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-10-11   
424-351 7 Inglewood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-12-03   
424-351 8 Inglewood CA ANHMCA01XEY  516C AT&T CORP. 730   2014-10-21   
424-351 9 Inglewood CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-12-03   
424-352 A Redondo CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
424-352 0 Redondo CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-07-20   

<< 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 67 68 69 70 71 72 73 74 75 >>

Last updated: Fri, 10 Sep 2021 12:38:21 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.