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: 925 [Rate centres in NPA 925] [Dial plan for NPA 925]

NXX: 567

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-567 A Clayton CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-567 0 Clayton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-10-29   
925-567 1 Clayton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2007-09-07   
925-567 2 Clayton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-31   
925-567 3 Clayton CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-01-13   
925-567 4 Clayton CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2012-01-06   
925-567 5 Clayton CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2022-06-24   
925-567 6 Clayton CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-567 7 Clayton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-30   
925-567 8 Clayton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-30   
925-567 9 Clayton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-31   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.