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: 393

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-393 A Walnut Creek CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-01-21   
925-393 0 Walnut Creek CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2015-10-02   
925-393 1 Walnut Creek CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-10-12   
925-393 2 Walnut Creek CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-10-12   
925-393 3 Walnut Creek CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-08-15   
925-393 4 Walnut Creek CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-08-20   
925-393 5 Walnut Creek CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2015-09-18   
925-393 6 Walnut Creek CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-06-07   
925-393 7 Walnut Creek CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2015-08-14   
925-393 8 Walnut Creek CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2015-10-18   
925-393 9 Walnut Creek CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2015-09-20   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.