Local Calling Guide

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NPA: 510 [Rate centres in NPA 510] [Dial plan for NPA 510]

NXX: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-277 A Oakland: Berkeley DA CA OKLDCAOL1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
510-277 0 Oakland: Berkeley DA CA OKLDCAOL1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
510-277 1 Oakland: Berkeley DA CA OKLDCAOL1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
510-277 2 Oakland: Berkeley DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2005-06-02   
510-277 3 Oakland: Berkeley DA CA OKLDCAOL1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
510-277 4 Oakland: Berkeley DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2013-01-15   
510-277 5 Oakland: Berkeley DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-06-21   
510-277 6 Oakland: Berkeley DA CA OKLECAZV1MD  5562 METROPCS, INC. 722   2003-04-26   
510-277 7 Oakland: Berkeley DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2003-04-26   
510-277 8 Oakland: Berkeley DA CA OKLDCA03XKY  624H ONVOY SPECTRUM, LLC 722   2024-08-18   
510-277 9 Oakland: Berkeley DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-03-10   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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