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: 289

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-289 A Kelseyville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-289 0 Kelseyville CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-289 1 Kelseyville CA   649C ONVOY, LLC - CA 722   2021-03-05   
707-289 2 Kelseyville CA   649C ONVOY, LLC - CA 722   2005-01-05   
707-289 3 Kelseyville CA   649C ONVOY, LLC - CA 722   2005-12-09   
707-289 4 Kelseyville CA   593K MCC TELEPHONY LLC 722   2010-08-20   
707-289 5 Kelseyville CA   649C ONVOY, LLC - CA 722   2012-12-31   
707-289 6 Kelseyville CA   649C ONVOY, LLC - CA 722   2013-01-06   
707-289 7 Kelseyville CA   649C ONVOY, LLC - CA 722   2009-12-19   
707-289 8 Kelseyville CA   649C ONVOY, LLC - CA 722   2016-04-01   
707-289 9 Kelseyville CA   649C ONVOY, LLC - CA 722   2016-04-01   

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

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