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: 360

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-360 A Santa Clarita: Saugus Canyon Country DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-360 0 Santa Clarita: Saugus Canyon Country DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-360 1 Santa Clarita: Saugus Canyon Country DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-06-03   
661-360 2 Santa Clarita: Saugus Canyon Country DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2014-07-16   
661-360 3 Santa Clarita: Saugus Canyon Country DA CA   793K TWC IP ENABLED SERVICES, LLC 730   2013-08-22   
661-360 4 Santa Clarita: Saugus Canyon Country DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-06-04   
661-360 5 Santa Clarita: Saugus Canyon Country DA CA   793K TWC IP ENABLED SERVICES, LLC 730   2013-10-15   
661-360 6 Santa Clarita: Saugus Canyon Country DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-06-03   
661-360 7 Santa Clarita: Saugus Canyon Country DA CA   793K TWC IP ENABLED SERVICES, LLC 730   2012-04-08   
661-360 8 Santa Clarita: Saugus Canyon Country DA CA   793K TWC IP ENABLED SERVICES, LLC 730   2007-01-10   
661-360 9 Santa Clarita: Saugus Canyon Country DA CA   793K TWC IP ENABLED SERVICES, LLC 730   2007-02-10   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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