Local Calling Guide

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

NXX: 731

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-731 A Castroville CA SLNSCA01DS1  4129 O1 COMMUNICATIONS, INC. - CA 736      
831-731 0 Castroville CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736   2010-09-16   
831-731 1 Castroville CA   515J IP HORIZON LLC 736      
831-731 2 Castroville CA   515J IP HORIZON LLC 736      
831-731 3 Castroville CA MTRYCAPM0MD  073H TELNYX LLC 736   2018-07-03   
831-731 4 Castroville CA   515J IP HORIZON LLC 736   2022-10-20   
831-731 5 Castroville CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736   2005-07-26   
831-731 6 Castroville CA SLNSCA01X1Y  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 736   2008-05-12   
831-731 7 Castroville CA   515J IP HORIZON LLC 736   2022-10-20   
831-731 8 Castroville CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2021-11-14   
831-731 9 Castroville CA   515J IP HORIZON LLC 736   2022-10-20   

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

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