Local Calling Guide

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

NXX: 771

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-771 A Fremont-Newark: Oliver DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
510-771 0 Fremont-Newark: Oliver DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
510-771 1 Fremont-Newark: Oliver DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
510-771 2 Fremont-Newark: Oliver DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
510-771 3 Fremont-Newark: Oliver DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
510-771 4 Fremont-Newark: Oliver DA CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-06-26   
510-771 5 Fremont-Newark: Oliver DA CA   829J PAETEC ITEL, LLC 722   2010-11-04   
510-771 6 Fremont-Newark: Oliver DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
510-771 7 Fremont-Newark: Oliver DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2008-11-20   
510-771 8 Fremont-Newark: Oliver DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-01-15   
510-771 9 Fremont-Newark: Oliver DA CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2015-01-06   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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