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: 290

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-290 A Gonzales CA SLNSCA01XQY  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 736      
831-290 0 Gonzales CA   981E BANDWIDTH.COM CLEC, LLC - CA 736   2010-08-29   
831-290 1 Gonzales CA   981E BANDWIDTH.COM CLEC, LLC - CA 736   2014-11-14   
831-290 3 Gonzales CA   981E BANDWIDTH.COM CLEC, LLC - CA 736   2013-09-07   
831-290 4 Gonzales CA   073H TELNYX LLC 736   2017-03-27   
831-290 5 Gonzales CA   516C AT&T CORP. 736   2011-09-26   
831-290 6 Gonzales CA   649C ONVOY, LLC - CA 736   2017-04-27   
831-290 7 Gonzales CA   508J CENTURYLINK COMMUNICATIONS, LLC 736   2015-11-09   
831-290 8 Gonzales CA   649C ONVOY, LLC - CA 736   2019-03-24   
831-290 9 Gonzales CA   649C ONVOY, LLC - CA 736   2019-03-24   

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

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