Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 831 [Rate centres in NPA 831] [Dial plan for NPA 831]

NXX: 216

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-216 A Felton CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
831-216 0 Felton CA   649C ONVOY, LLC - CA 722   2016-01-07   
831-216 1 Felton CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-12-17   
831-216 3 Felton CA   649C ONVOY, LLC - CA 722   2006-01-08   
831-216 4 Felton CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-04-10   
831-216 5 Felton CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-05-19   
831-216 6 Felton CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-03-04   
831-216 7 Felton CA   649C ONVOY, LLC - CA 722   2009-12-18   
831-216 8 Felton CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-09-19   
831-216 9 Felton CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      

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

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