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.

El Segundo, CA

<< 1 2 3 4 5 6 7 8 9 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
310-343 0 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-07-05   
310-343 1 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-07-05   
310-343 2 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-11-11   
310-343 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-11-11   
310-343 4 LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-343 5 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-11-23   
310-343 6 LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-343 7 LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2009-12-28   
310-343 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-07-24   
310-343 9 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-12-14   
310-356 A LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730      
310-356 0 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2007-03-04   
310-356 1 LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730      
310-356 2 ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2000-04-04   
310-356 3 LSANCARCD3S  649C ONVOY, LLC - CA 730   2001-07-02   
310-356 4 ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2003-06-04   
310-356 5 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2005-02-20   
310-356 6 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2003-04-28   
310-356 7 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2003-04-28   
310-356 8 LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730   2000-05-29   
310-356 9 LSANCARCD3S  649C ONVOY, LLC - CA 730   2005-02-18   
310-364 A ELSGCA12DS0  9740 PACIFIC BELL 730      
310-414 A ELSGCA12DS0  9740 PACIFIC BELL 730      
310-414 0 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-414 1 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-414 2 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-414 3 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-414 4 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-414 5 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-414 6 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-414 7 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-12-01   
310-414 8 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-414 9 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-416 A ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 A ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 0 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-03-09   
310-426 1 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 2 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 3 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 4 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-12-08   
310-426 5 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 6 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 7 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-426 8 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-21   
310-426 9 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-469 A LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730      
310-469 0 LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730      
310-469 1 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-07-07   
310-469 2 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-11-04   
310-469 3 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-01-27   

<< 1 2 3 4 5 6 7 8 9 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.