Local Calling Guide

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

NXX: 924

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-924 A Oakland: Trinidad DA CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-924 0 Oakland: Trinidad DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-04-24   
510-924 1 Oakland: Trinidad DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2026-04-03   
510-924 2 Oakland: Trinidad DA CA   145J TERRA NOVA TELECOM INC. 722   2025-04-08   
510-924 3 Oakland: Trinidad DA CA   829J PAETEC ITEL, LLC 722   2009-08-04   
510-924 4 Oakland: Trinidad DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-924 5 Oakland: Trinidad DA CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2012-12-16   
510-924 6 Oakland: Trinidad DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2009-07-10   
510-924 7 Oakland: Trinidad DA CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2010-06-21   
510-924 8 Oakland: Trinidad DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-12-20   
510-924 9 Oakland: Trinidad DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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