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: 830

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-830 A King City CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736      
831-830 0 King City CA   649C ONVOY, LLC - CA 736   2021-03-05   
831-830 1 King City CA   649C ONVOY, LLC - CA 736   2021-03-05   
831-830 2 King City CA   649C ONVOY, LLC - CA 736   2021-03-05   
831-830 3 King City CA   649C ONVOY, LLC - CA 736   2021-03-05   
831-830 4 King City CA   649C ONVOY, LLC - CA 736   2021-07-30   
831-830 5 King City CA   649C ONVOY, LLC - CA 736   2021-07-30   
831-830 6 King City CA   649C ONVOY, LLC - CA 736   2023-10-29   
831-830 7 King City CA   649C ONVOY, LLC - CA 736   2022-12-19   
831-830 8 King City CA   649C ONVOY, LLC - CA 736   2020-09-22   
831-830 9 King City CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 736   2021-03-21   

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

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