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: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-256 A Crockett CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-256 0 Crockett CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-256 1 Crockett CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-256 2 Crockett CA SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722      
510-256 3 Crockett CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-256 4 Crockett CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-256 5 Crockett CA   515J IP HORIZON LLC 722      
510-256 6 Crockett CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
510-256 7 Crockett CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
510-256 8 Crockett CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
510-256 9 Crockett CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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