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: 941

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-941 A Lancaster CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
661-941 0 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2014-06-11   
661-941 1 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2014-06-11   
661-941 2 Lancaster CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-10-15   
661-941 3 Lancaster CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-11-15   
661-941 4 Lancaster CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-08-22   
661-941 5 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2014-06-11   
661-941 6 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2014-05-26   
661-941 7 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2014-05-26   
661-941 8 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2014-05-16   
661-941 9 Lancaster CA SNMNCAXPXJY  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2014-05-10   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.