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: 350

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-350 A Tres Pinos CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-350 0 Tres Pinos CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2010-08-30   
831-350 1 Tres Pinos CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2010-09-27   
831-350 3 Tres Pinos CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736   2015-05-03   
831-350 4 Tres Pinos CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736   2006-07-02   
831-350 5 Tres Pinos CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2021-07-30   
831-350 6 Tres Pinos CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736   2007-10-18   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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