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.

Downey, CA

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
562-334 3 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
562-334 4 PRMTCA01DS0  7480 PACIFIC BELL (COMPETITIVE) 730   2012-04-08   
562-334 5 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-06-07   
562-334 6 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-08-08   
562-334 7 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-08-08   
562-334 8 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2014-02-27   
562-334 9 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
562-359 A CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
562-359 0 LNBHCAAXDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 730   2017-09-14   
562-359 1 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2017-11-06   
562-359 2 LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2017-11-23   
562-359 3 LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2017-11-23   
562-359 4 LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2017-11-23   
562-359 5 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2018-04-21   
562-359 6 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-10-04   
562-359 7 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-10-04   
562-359 8 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2017-09-11   
562-359 9 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-09-10   
562-367 A   899D METROPCS NETWORKS, LLC 730      
562-367 0 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2014-10-15   
562-367 1 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2011-04-02   
562-367 2 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2014-06-16   
562-367 3 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-05-03   
562-367 4 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-08-11   
562-367 5 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-12-07   
562-367 6 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2015-10-17   
562-367 7 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-05-03   
562-367 8 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-05-03   
562-367 9   899D METROPCS NETWORKS, LLC 730      
562-372 A ANHMCAHLDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
562-372 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-05-03   
562-372 1 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2008-12-19   
562-372 2 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-09-01   
562-372 3 SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2006-08-25   
562-372 4 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-09-01   
562-372 5 SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2006-07-25   
562-372 6 LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2014-09-14   
562-372 7 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-10-29   
562-372 8 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-02-25   
562-372 9 ANHMCAHLDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
562-381 A IRVECAJTDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
562-381 0 LNBHCAXPXWX  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-08-22   
562-381 1 IRVECAJTDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
562-381 2 LNBHCAXPXWX  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-03-13   
562-381 3 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-05-08   
562-381 4 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-12-05   
562-381 5 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-05-08   
562-381 6 LNBHCAXPX9Y  506J TWILIO INTERNATIONAL, INC. 730   2020-10-20   
562-381 7 LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2005-06-13   
562-381 8 SNANCALWDS1  7262 XO CALIFORNIA, INC. 730   2005-06-13   

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

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.