Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 760 [Rate centres in NPA 760] [Dial plan for NPA 760]

NXX: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
760-257 A Newberry CA NWBRCAXFRS5  4420 FRONTIER CALIFORNIA INC. 730      
760-257 0 Newberry CA   515J IP HORIZON LLC 730   2015-09-19   
760-257 1 Newberry CA LSANCAJW6MD  073H TELNYX LLC 730   2018-05-11   
760-257 2 Newberry CA VTVLCAXAX5Y  649C ONVOY, LLC - CA 730   2012-12-30   
760-257 3 Newberry CA NWBRCAXFRS5  4420 FRONTIER CALIFORNIA INC. 730      
760-257 4 Newberry CA NWBRCAXFRS5  4420 FRONTIER CALIFORNIA INC. 730      
760-257 5 Newberry CA LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-08-29   
760-257 6 Newberry CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-03-28   
760-257 7 Newberry CA LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730   2014-06-27   
760-257 8 Newberry CA VTVLCAXAX5Y  649C ONVOY, LLC - CA 730   2008-08-29   
760-257 9 Newberry CA SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2019-03-23   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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