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: 310 [Rate centres in NPA 310] [Dial plan for NPA 310]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-986 A Lomita CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-02-24   
310-986 0 Lomita CA   6529 T-MOBILE USA, INC. 730   2005-02-24   
310-986 1 Lomita CA   6529 T-MOBILE USA, INC. 730   2005-02-24   
310-986 2 Lomita CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-02-25   
310-986 3 Lomita CA   649C ONVOY, LLC - CA 730   2005-07-07   
310-986 4 Lomita CA   6529 T-MOBILE USA, INC. 730   2005-07-21   
310-986 5 Lomita CA   6529 T-MOBILE USA, INC. 730   2005-08-25   
310-986 6 Lomita CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730   2011-06-21   
310-986 7 Lomita CA   6529 T-MOBILE USA, INC. 730   2005-08-25   
310-986 8 Lomita CA   3662 PACIFIC CENTREX SERVICES, INC. - CA 730   2005-04-04   
310-986 9 Lomita CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-06-05   

Last updated: Wed, 05 Feb 2020 02:15:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.