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: 760 [Rate centres in NPA 760] [Dial plan for NPA 760]

NXX: 331

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
760-331 A Oceanside: Carlsbad DA CA SNDGCA07DS1  7421 AT&T - LOCAL 732      
760-331 0 Oceanside: Carlsbad DA CA   7421 AT&T - LOCAL 732      
760-331 1 Oceanside: Carlsbad DA CA   4129 O1 COMMUNICATIONS, INC. - CA 732   2003-10-13   
760-331 2 Oceanside: Carlsbad DA CA   4129 O1 COMMUNICATIONS, INC. - CA 732   2003-10-13   
760-331 3 Oceanside: Carlsbad DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2005-05-07   
760-331 4 Oceanside: Carlsbad DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2010-02-15   
760-331 5 Oceanside: Carlsbad DA CA   9740 PACIFIC BELL 732   2002-12-02   
760-331 6 Oceanside: Carlsbad DA CA   9740 PACIFIC BELL 732   2002-12-02   
760-331 7 Oceanside: Carlsbad DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2005-06-23   
760-331 8 Oceanside: Carlsbad DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2005-09-11   
760-331 9 Oceanside: Carlsbad DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2005-09-11   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.