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: 429

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-429 A Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-429 0 Lancaster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-05-22   
661-429 1 Lancaster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-11-12   
661-429 2 Lancaster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-01-05   
661-429 3 Lancaster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-01-05   
661-429 4 Lancaster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-04-03   
661-429 5 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2012-11-08   
661-429 6 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2012-11-08   
661-429 7 Lancaster CA   6529 T-MOBILE USA, INC. 730   2012-11-08   
661-429 8 Lancaster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2013-06-25   
661-429 9 Lancaster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2013-07-15   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.