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: 535

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-535 A Pleasanton CA OKLECAZV1MD  5562 METROPCS, INC. 722      
925-535 0 Pleasanton CA   145J TERRA NOVA TELECOM INC. 722   2024-02-12   
925-535 1 Pleasanton CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2012-05-04   
925-535 2 Pleasanton CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2012-05-04   
925-535 3 Pleasanton CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2012-05-04   
925-535 8 Pleasanton CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-09-30   
925-535 9 Pleasanton CA OKLECAZV1MD  5562 METROPCS, INC. 722      

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.