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: 413

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-413 A Cuyama CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-413 0 Cuyama CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-413 1 Cuyama CA   515J IP HORIZON LLC 734   2006-09-28   
661-413 2 Cuyama CA   515J IP HORIZON LLC 734   2006-09-28   
661-413 3 Cuyama CA   981E BANDWIDTH.COM CLEC, LLC - CA 734   2010-08-28   
661-413 4 Cuyama CA   649C ONVOY, LLC - CA 734   2021-07-22   
661-413 5 Cuyama CA   981E BANDWIDTH.COM CLEC, LLC - CA 734   2014-11-06   
661-413 6 Cuyama CA   981E BANDWIDTH.COM CLEC, LLC - CA 734   2015-09-24   
661-413 7 Cuyama CA   073H TELNYX LLC 734   2021-12-12   
661-413 8 Cuyama CA   073H TELNYX LLC 734   2018-07-09   
661-413 9 Cuyama CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734   2016-03-06   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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