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: 768

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-768 A Taft CA FLWSCAXFRS2  4420 FRONTIER CALIFORNIA INC. 734      
661-768 0 Taft CA   649C ONVOY, LLC - CA 734   2018-09-24   
661-768 1 Taft CA   649C ONVOY, LLC - CA 734   2019-02-22   
661-768 2 Taft CA   649C ONVOY, LLC - CA 734   2019-02-22   
661-768 3 Taft CA   4420 FRONTIER CALIFORNIA INC. 734      
661-768 4 Taft CA   4420 FRONTIER CALIFORNIA INC. 734      
661-768 5 Taft CA   4420 FRONTIER CALIFORNIA INC. 734      
661-768 6 Taft CA   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2012-11-19   
661-768 7 Taft CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734   2014-07-24   
661-768 8 Taft CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2013-04-27   
661-768 9 Taft CA   073H TELNYX LLC 734   2018-07-06   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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