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: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-551 A Vallejo CA VLLJCA01DS1  9740 PACIFIC BELL 722      
707-551 0 Vallejo CA VLLJCA01DS1  9740 PACIFIC BELL 722      
707-551 1 Vallejo CA VLLJCA01DS1  9740 PACIFIC BELL 722      
707-551 2 Vallejo CA VLLJCA01DS1  9740 PACIFIC BELL 722      
707-551 3 Vallejo CA VLLJCA01DS1  9740 PACIFIC BELL 722      
707-551 4 Vallejo CA VLLJCA01DS1  9740 PACIFIC BELL 722      
707-551 5 Vallejo CA SNFCCAMKX1Y  996H AIRESPRING, INC. 722   2020-05-18   
707-551 6 Vallejo CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-06-24   
707-551 7 Vallejo CA VLLJCA01DS1  9740 PACIFIC BELL 722      
707-551 8 Vallejo CA VLLJCA01DS1  9740 PACIFIC BELL 722      
707-551 9 Vallejo CA   6529 T-MOBILE USA, INC. 722   2024-02-18   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.