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: 852

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-852 A Concord CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-852 0 Concord CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-852 1 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-07-08   
925-852 2 Concord CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2004-09-24   
925-852 3 Concord CA OKLECAZVGT0  5562 METROPCS, INC. 722   2007-02-17   
925-852 4 Concord CA OKLECAZVGT0  5562 METROPCS, INC. 722   2007-03-17   
925-852 5 Concord CA OKLECAZVGT0  5562 METROPCS, INC. 722   2006-09-25   
925-852 6 Concord CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2009-08-10   
925-852 7 Concord CA OKLECAZVGT0  5562 METROPCS, INC. 722   2006-09-10   
925-852 8 Concord CA OKLECAZVGT0  5562 METROPCS, INC. 722   2006-07-23   
925-852 9 Concord CA   5562 METROPCS, INC. 722   2006-06-26   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.