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: 638

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-638 A Vallejo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-01-21   
707-638 0 Vallejo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-638 1 Vallejo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-638 2 Vallejo CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-638 3 Vallejo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-638 4 Vallejo CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
707-638 5 Vallejo CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
707-638 6 Vallejo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-638 7 Vallejo CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-07-10   
707-638 8 Vallejo CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-638 9 Vallejo CA SNJUCACL4MD  939H COMMIO, LLC 722   2021-10-14   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.