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: 318

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-318 A Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
831-318 0 Aptos CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-05-09   
831-318 1 Aptos CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-05-09   
831-318 2 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-04-16   
831-318 3 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-07-31   
831-318 4 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-07-31   
831-318 5 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-07-31   
831-318 6 Aptos CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-09-16   
831-318 7 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-06-09   
831-318 8 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-06-09   
831-318 9 Aptos CA   515J IP HORIZON LLC 722   2016-09-15   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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