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: 951 [Rate centres in NPA 951] [Dial plan for NPA 951]

NXX: 723

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
951-723 A Sun City CA RVSDCAMLDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
951-723 0 Sun City CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-05-12   
951-723 1 Sun City CA SNCYCAXF67K  2319 FRONTIER CALIFORNIA INC. 730   2006-09-30   
951-723 2 Sun City CA ONTRCAXPXBY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-08-22   
951-723 3 Sun City CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2012-01-09   
951-723 4 Sun City CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-09-10   
951-723 5 Sun City CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-04-30   
951-723 6 Sun City CA RVSDCAMLDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
951-723 7 Sun City CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-10-07   
951-723 8 Sun City CA SNCYCAXF67K  2319 FRONTIER CALIFORNIA INC. 730   2005-03-13   
951-723 9 Sun City CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2011-01-21   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.