Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 415 [Rate centres in NPA 415] [Dial plan for NPA 415]

NXX: 612

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
415-612 A Ignacio CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-612 0 Ignacio CA   6529 T-MOBILE USA, INC. 722      
415-612 1 Ignacio CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-08-28   
415-612 2 Ignacio CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-08-28   
415-612 3 Ignacio CA   649C ONVOY, LLC - CA 722   2012-12-31   
415-612 4 Ignacio CA   516C AT&T CORP. 722   2008-08-29   
415-612 5 Ignacio CA   649C ONVOY, LLC - CA 722   2012-12-31   
415-612 6 Ignacio CA   649C ONVOY, LLC - CA 722   2011-09-15   
415-612 7 Ignacio CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-04-07   
415-612 8 Ignacio CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-06-15   
415-612 9 Ignacio CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-06-15   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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