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
310-227 A TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
310-227 0 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-01-19   
310-227 1 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-01-19   
310-227 2 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
310-227 3 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-06-09   
310-227 4 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-01-19   
310-227 5 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-04-22   
310-227 6 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-03-07   
310-227 7 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-03-07   
310-227 8 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2000-07-15   
310-227 9 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2002-12-02   
310-252 A ELSGCA12DS0  9740 PACIFIC BELL 730      
310-321 A IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
310-321 0 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
310-321 1 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
310-321 2 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2007-05-02   
310-321 3 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
310-321 4 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-04-07   
310-321 5 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2000-04-14   
310-321 6 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2000-04-14   
310-321 7 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2003-04-11   
310-321 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2011-12-04   
310-321 9 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2018-10-16   
310-322 A ELSGCA12DS0  9740 PACIFIC BELL 730      
310-333 A ELSGCA12DS0  9740 PACIFIC BELL 730      
310-334 A ELSGCA12DS0  9740 PACIFIC BELL 730      
310-334 0 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-334 1 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-334 2 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-334 3 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-334 4 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-334 5 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-334 6 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-334 7 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-334 8 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-334 9 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-06-02   
310-335 A ELSGCA12DS0  9740 PACIFIC BELL 730      
310-336 A ELSGCA12DS0  9740 PACIFIC BELL 730      
310-341 A LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-341 0 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-01-28   
310-341 1 LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-341 2 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-03-13   
310-341 3 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-02-03   
310-341 4 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2004-01-13   
310-341 5 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-02-17   
310-341 6 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-02-17   
310-341 7 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-02-13   
310-341 8 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-08-23   
310-341 9 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-12-04   
310-343 A LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      

1 2 3 4 5 6 7 8 9 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.