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: 607

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-607 A Aptos CA   515J IP HORIZON LLC 722      
831-607 0 Aptos CA   515J IP HORIZON LLC 722      
831-607 1 Aptos CA   515J IP HORIZON LLC 722      
831-607 2 Aptos CA   515J IP HORIZON LLC 722      
831-607 3 Aptos CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2009-07-04   
831-607 4 Aptos CA   515J IP HORIZON LLC 722      
831-607 5 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2005-06-13   
831-607 6 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2005-06-13   
831-607 7 Aptos CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2005-06-13   
831-607 8 Aptos CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-09-09   
831-607 9 Aptos CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-04-01   

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

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