Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 679

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-679 A Oakland: Berkeley DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-679 0 Oakland: Berkeley DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-679 1 Oakland: Berkeley DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-679 2 Oakland: Berkeley DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-679 3 Oakland: Berkeley DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-679 4 Oakland: Berkeley DA CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-679 5 Oakland: Berkeley DA CA SNFCCA01XGX  516C AT&T CORP. 722      
510-679 6 Oakland: Berkeley DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-679 7 Oakland: Berkeley DA CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-679 8 Oakland: Berkeley DA CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-679 9 Oakland: Berkeley DA CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.