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: 641

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-641 A El Sobrante-Pinole CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-641 0 El Sobrante-Pinole CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-641 1 El Sobrante-Pinole CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
510-641 2 El Sobrante-Pinole CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
510-641 3 El Sobrante-Pinole CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
510-641 4 El Sobrante-Pinole CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
510-641 5 El Sobrante-Pinole CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
510-641 6 El Sobrante-Pinole CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-641 7 El Sobrante-Pinole CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-641 8 El Sobrante-Pinole CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-641 9 El Sobrante-Pinole CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.