Local Calling Guide

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

NXX: 344

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-344 A Fremont-Newark: Oliver DA CA OKLDCAOL1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC.-CA 722      
510-344 0 Fremont-Newark: Oliver DA CA OKLDCAOL1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC.-CA 722      
510-344 1 Fremont-Newark: Oliver DA CA OKLDCAOL1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC.-CA 722      
510-344 2 Fremont-Newark: Oliver DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2009-04-27   
510-344 3 Fremont-Newark: Oliver DA CA OKLDCAOL1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC.-CA 722      
510-344 4 Fremont-Newark: Oliver DA CA SNFCCA01DS5  7421 AT&T LOCAL 722   2004-07-23   
510-344 5 Fremont-Newark: Oliver DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-06-03   
510-344 6 Fremont-Newark: Oliver DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-06-03   
510-344 7 Fremont-Newark: Oliver DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-02-20   
510-344 8 Fremont-Newark: Oliver DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-344 9 Fremont-Newark: Oliver DA CA OKLDCAOL1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC.-CA 722      

Last updated: Sun, 07 Feb 2021 01:52:50 UTC

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