Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 707 [Rate centres in NPA 707] [Dial plan for NPA 707]

NXX: 348

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-348 A Upper Lake CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
707-348 0 Upper Lake CA   649C ONVOY, LLC - CA 722      
707-348 2 Upper Lake CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-28   
707-348 3 Upper Lake CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2020-03-12   
707-348 4 Upper Lake CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-07-31   
707-348 5 Upper Lake CA   649C ONVOY, LLC - CA 722   2005-11-05   
707-348 6 Upper Lake CA   073H TELNYX LLC 722   2017-08-04   
707-348 7 Upper Lake CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-03-29   
707-348 8 Upper Lake CA   593K MCC TELEPHONY LLC 722   2010-09-03   
707-348 9 Upper Lake CA   649C ONVOY, LLC - CA 722   2009-12-24   

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

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