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: 661 [Rate centres in NPA 661] [Dial plan for NPA 661]

NXX: 886

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-886 A Lancaster CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 0 Lancaster CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 1 Lancaster CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 2 Lancaster CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 3 Lancaster CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 4 Lancaster CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 5 Lancaster CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-886 6 Lancaster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2008-02-03   
661-886 7 Lancaster CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-03-03   
661-886 8 Lancaster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-04-28   
661-886 9 Lancaster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2006-04-28   

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.