Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 661 [Rate centres in NPA 661] [Dial plan for NPA 661]

NXX: 874

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-874 A Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-874 0 Lancaster CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-10-22   
661-874 1 Lancaster CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-03-10   
661-874 2 Lancaster CA   899D METROPCS NETWORKS, LLC 730   2007-02-04   
661-874 3 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2006-11-15   
661-874 4 Lancaster CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-07-30   
661-874 5 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2006-05-18   
661-874 6 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2006-09-10   
661-874 7 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2006-01-28   
661-874 8 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2005-04-16   
661-874 9 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2005-02-07   

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

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