Local Calling Guide

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

NXX: 722

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-722 A Crockett CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-722 0 Crockett CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-722 1 Crockett CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-722 2 Crockett CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2007-04-09   
510-722 3 Crockett CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2001-07-24   
510-722 4 Crockett CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-11-16   
510-722 5 Crockett CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2011-05-15   
510-722 6 Crockett CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2006-01-09   
510-722 7 Crockett CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-06-15   
510-722 8 Crockett CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-12-31   
510-722 9 Crockett CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-08-09   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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