Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 510 [Rate centres in NPA 510] [Dial plan for NPA 510]

NXX: 423

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-423 A Oakland: Berkeley DA CA OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722      
510-423 0 Oakland: Berkeley DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2009-08-10   
510-423 1 Oakland: Berkeley DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2009-07-20   
510-423 2 Oakland: Berkeley DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2009-07-20   
510-423 3 Oakland: Berkeley DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
510-423 4 Oakland: Berkeley DA CA   515J IP HORIZON LLC 722   2013-08-26   
510-423 5 Oakland: Berkeley DA CA SNFCCAMMDS7  258E YMAX COMMUNICATIONS CORP. - CA 722   2009-01-17   
510-423 6 Oakland: Berkeley DA CA SNFCCAMMDS7  258E YMAX COMMUNICATIONS CORP. - CA 722   2009-01-17   
510-423 7 Oakland: Berkeley DA CA SNFCCAMMDS7  258E YMAX COMMUNICATIONS CORP. - CA 722   2009-01-17   
510-423 8 Oakland: Berkeley DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-06-21   
510-423 9 Oakland: Berkeley DA CA OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722   2009-01-16   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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