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: 737

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-737 A Calistoga CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-737 0 Calistoga CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-737 2 Calistoga CA   515J IP HORIZON LLC 722   2003-10-12   
707-737 3 Calistoga CA   515J IP HORIZON LLC 722   2003-10-12   
707-737 4 Calistoga CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-04-10   
707-737 5 Calistoga CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2004-12-14   
707-737 6 Calistoga CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-04-28   
707-737 7 Calistoga CA   649C ONVOY, LLC - CA 722   2009-12-18   
707-737 8 Calistoga CA   508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-03-28   
707-737 9 Calistoga CA   649C ONVOY, LLC - CA 722   2006-01-08   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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