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: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-403 A Fremont-Newark: Oliver DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-403 1 Fremont-Newark: Oliver DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-12-13   
510-403 2 Fremont-Newark: Oliver DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-403 3 Fremont-Newark: Oliver DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-403 4 Fremont-Newark: Oliver DA CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-25   
510-403 5 Fremont-Newark: Oliver DA CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-25   
510-403 7 Fremont-Newark: Oliver DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2007-12-27   
510-403 8 Fremont-Newark: Oliver DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-06-24   
510-403 9 Fremont-Newark: Oliver DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-05-03   

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

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