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: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-403 A Calistoga CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-403 0 Calistoga CA   145J TERRA NOVA TELECOM INC. 722   2024-02-25   
707-403 1 Calistoga CA   649C ONVOY, LLC - CA 722   2012-08-25   
707-403 2 Calistoga CA   649C ONVOY, LLC - CA 722   2012-08-25   
707-403 3 Calistoga CA   649C ONVOY, LLC - CA 722   2012-05-19   
707-403 4 Calistoga CA   649C ONVOY, LLC - CA 722   2012-05-19   
707-403 5 Calistoga CA   516C AT&T CORP. 722   2011-05-16   
707-403 6 Calistoga CA   649C ONVOY, LLC - CA 722   2012-05-19   
707-403 7 Calistoga CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2007-08-27   
707-403 8 Calistoga CA   649C ONVOY, LLC - CA 722   2012-05-19   
707-403 9 Calistoga CA   649C ONVOY, LLC - CA 722   2012-05-19   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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