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: 707 [Rate centres in NPA 707] [Dial plan for NPA 707]

NXX: 997

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-997 A Vallejo CA SNJUCACL7MD  965H FRACTEL, LLC 722      
707-997 0 Vallejo CA   6529 T-MOBILE USA, INC. 722   2022-03-10   
707-997 1 Vallejo CA   6529 T-MOBILE USA, INC. 722   2022-03-10   
707-997 2 Vallejo CA   6529 T-MOBILE USA, INC. 722   2022-03-10   
707-997 3 Vallejo CA   6529 T-MOBILE USA, INC. 722   2023-09-11   
707-997 4 Vallejo CA   6529 T-MOBILE USA, INC. 722   2023-09-11   
707-997 5 Vallejo CA   649C ONVOY, LLC - CA 722   2023-10-15   
707-997 6 Vallejo CA   649C ONVOY, LLC - CA 722   2023-10-15   
707-997 7 Vallejo CA   965H FRACTEL, LLC 722   2021-10-09   
707-997 8 Vallejo CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2023-11-12   
707-997 9 Vallejo CA   649C ONVOY, LLC - CA 722   2023-10-15   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.