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.

Hawthorne, CA

<< 1 2 3 4 5 6 7 8 9 10 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
310-531 A LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-531 0 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2004-01-10   
310-531 1 IRVECAJTDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2000-04-10   
310-531 2 ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2002-04-15   
310-531 3 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2004-05-31   
310-531 4 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2004-05-31   
310-531 5 LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2009-03-09   
310-531 6 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2004-09-10   
310-531 7 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2001-05-30   
310-531 8 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2000-07-15   
310-531 9 LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-536 A ELSGCA12DS0  9740 PACIFIC BELL 730      
310-536 0 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-536 1 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-536 2 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-536 3 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-536 4 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-536 5 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-536 6 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-05-26   
310-536 7 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-536 8 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-536 9 ELSGCA12DS0  9740 PACIFIC BELL 730      
310-643 A ELSGCA12DS0  9740 PACIFIC BELL 730      
310-644 A HWTHCA01DS0  9740 PACIFIC BELL 730      
310-675 A HWTHCA01DS0  9740 PACIFIC BELL 730      
310-676 A HWTHCA01DS0  9740 PACIFIC BELL 730      
310-679 A HWTHCA01DS0  9740 PACIFIC BELL 730      
310-682 A LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-682 0   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-08-24   
310-682 1   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-08-24   
310-682 2   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-08-24   
310-682 3   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-08-24   
310-682 4   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-08-24   
310-682 5   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-08-24   
310-682 6   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-08-24   
310-682 7   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-08-24   
310-682 8   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-08-24   
310-682 9   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-08-24   
310-706 A IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
310-706 0 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
310-706 1 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-02-25   
310-706 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2005-08-19   
310-706 3 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
310-706 4 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2004-09-25   
310-706 5 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2004-12-08   
310-706 6 ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2003-02-10   
310-706 7 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2004-12-08   
310-706 8 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-05-26   
310-706 9 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2022-05-19   
310-725 A ELSGCA12DS0  9740 PACIFIC BELL 730      

<< 1 2 3 4 5 6 7 8 9 10 >>

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.