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: 877

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-877 A Santa Clarita: Newhall-Castaic DA CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-877 0 Santa Clarita: Newhall-Castaic DA CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2006-08-11   
661-877 1 Santa Clarita: Newhall-Castaic DA CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2003-08-27   
661-877 2 Santa Clarita: Newhall-Castaic DA CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2004-06-26   
661-877 3 Santa Clarita: Newhall-Castaic DA CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2003-08-27   
661-877 4 Santa Clarita: Newhall-Castaic DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-07-30   
661-877 5 Santa Clarita: Newhall-Castaic DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-01-10   
661-877 6 Santa Clarita: Newhall-Castaic DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-01-10   
661-877 7 Santa Clarita: Newhall-Castaic DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-07-08   
661-877 8 Santa Clarita: Newhall-Castaic DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-07-08   
661-877 9 Santa Clarita: Newhall-Castaic DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2007-07-23   

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

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