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: 510

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-510 A Concord CA OKLECAZVGT0  5562 METROPCS, INC. 722      
925-510 0 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-510 1 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-510 2 Concord CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-510 3 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-510 4 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-510 5 Concord CA FRMTCAJYDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722      
925-510 6 Concord CA   5562 METROPCS, INC. 722      
925-510 7 Concord CA OKLECAZVGT0  5562 METROPCS, INC. 722      
925-510 8 Concord CA OKLECAZVGT0  5562 METROPCS, INC. 722      
925-510 9 Concord CA   5562 METROPCS, INC. 722      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.