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: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-306 A Chualar CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-306 0 Chualar CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-306 1 Chualar CA MTRYCAPM1MD  939H COMMIO, LLC 736   2022-11-21   
831-306 2 Chualar CA SLNSCA01XXX  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 736      
831-306 3 Chualar CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2023-07-24   
831-306 8 Chualar CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2021-07-30   
831-306 9 Chualar CA SLNSCA01XAY  073H TELNYX LLC 736   2023-06-25   

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

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