Local Calling Guide

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

NXX: 371

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-371 A Fremont-Newark: Main DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-371 0 Fremont-Newark: Main DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-10-12   
510-371 1 Fremont-Newark: Main DA CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2008-10-13   
510-371 2 Fremont-Newark: Main DA CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2008-10-13   
510-371 3 Fremont-Newark: Main DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2008-10-13   
510-371 4 Fremont-Newark: Main DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2008-11-20   
510-371 5 Fremont-Newark: Main DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2008-11-20   
510-371 6 Fremont-Newark: Main DA CA OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722   2009-05-15   
510-371 7 Fremont-Newark: Main DA CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2009-03-20   
510-371 8 Fremont-Newark: Main DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-12-03   
510-371 9 Fremont-Newark: Main DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-12-03   

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

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