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: 937

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-937 A Crockett CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-937 0 Crockett CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-08-06   
510-937 1 Crockett CA   515J IP HORIZON LLC 722   2015-09-18   
510-937 2 Crockett CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-04-23   
510-937 3 Crockett CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-04-23   
510-937 4 Crockett CA   515J IP HORIZON LLC 722   2016-09-14   
510-937 5 Crockett CA SNFCCA21XOZ  321J HD CARRIER LLC 722   2016-06-09   
510-937 6 Crockett CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2015-12-07   
510-937 7 Crockett CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2015-12-07   
510-937 8 Crockett CA SNFCCA21XOZ  321J HD CARRIER LLC 722   2016-06-09   
510-937 9 Crockett CA SNFCCA21XCZ  252F WIDE VOICE, LLC - CA 722   2016-06-09   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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