Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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   649C ONVOY, LLC - CA 722      
707-638 1 Vallejo CA   649C ONVOY, LLC - CA 722      
707-638 2 Vallejo CA   981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-638 3 Vallejo CA   649C ONVOY, LLC - CA 722      
707-638 4 Vallejo CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
707-638 5 Vallejo CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
707-638 6 Vallejo CA   649C ONVOY, LLC - CA 722      
707-638 7 Vallejo CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-07-10   
707-638 8 Vallejo CA   981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-638 9 Vallejo CA   939H COMMIO, LLC 722   2021-10-14   

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

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