Local Calling Guide

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NPA: 831 [Rate centres in NPA 831] [Dial plan for NPA 831]

NXX: 218

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-218 A Ben Lomond CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
831-218 0 Ben Lomond CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
831-218 1 Ben Lomond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2006-09-11   
831-218 2 Ben Lomond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-05-13   
831-218 3 Ben Lomond CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-05-19   
831-218 4 Ben Lomond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-10-19   
831-218 5 Ben Lomond CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-08-28   
831-218 6 Ben Lomond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-31   
831-218 7 Ben Lomond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-05-13   
831-218 8 Ben Lomond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-12-31   
831-218 9 Ben Lomond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-04-23   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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