Local Calling Guide

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

NXX: 394

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-394 A Oakland: Trinidad DA CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
510-394 0 Oakland: Trinidad DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-01-17   
510-394 1 Oakland: Trinidad DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-07-28   
510-394 2 Oakland: Trinidad DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-02-27   
510-394 3 Oakland: Trinidad DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-10-23   
510-394 4 Oakland: Trinidad DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2008-11-21   
510-394 5 Oakland: Trinidad DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2008-11-21   
510-394 6 Oakland: Trinidad DA CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2010-01-28   
510-394 7 Oakland: Trinidad DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2008-01-28   
510-394 8 Oakland: Trinidad DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2007-04-20   
510-394 9 Oakland: Trinidad DA CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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