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: 404

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-404 A Fremont-Newark: Greenleaf DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
510-404 0 Fremont-Newark: Greenleaf DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
510-404 1 Fremont-Newark: Greenleaf DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
510-404 2 Fremont-Newark: Greenleaf DA CA OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2014-02-14   
510-404 3 Fremont-Newark: Greenleaf DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-11-25   
510-404 4 Fremont-Newark: Greenleaf DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-06-03   
510-404 5 Fremont-Newark: Greenleaf DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-06-03   
510-404 6 Fremont-Newark: Greenleaf DA CA SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2013-06-25   
510-404 7 Fremont-Newark: Greenleaf DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2006-09-01   
510-404 8 Fremont-Newark: Greenleaf DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-07-09   
510-404 9 Fremont-Newark: Greenleaf DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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