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: 998

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-998 A El Sobrante-Pinole CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-998 0 El Sobrante-Pinole CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-05-12   
510-998 1 El Sobrante-Pinole CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-07-11   
510-998 2 El Sobrante-Pinole CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-09-06   
510-998 3 El Sobrante-Pinole CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-09-06   
510-998 4 El Sobrante-Pinole CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2019-08-30   
510-998 5 El Sobrante-Pinole CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2019-08-30   
510-998 6 El Sobrante-Pinole CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2019-08-11   
510-998 7 El Sobrante-Pinole CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2019-08-09   
510-998 8 El Sobrante-Pinole CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2019-06-21   
510-998 9 El Sobrante-Pinole CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2019-05-11   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.