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: 230

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-230 A Monterey CA MTRYCAPM0MD  073H TELNYX LLC 736      
831-230 0 Monterey CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2017-04-27   
831-230 1 Monterey CA MTRYCAPM0MD  073H TELNYX LLC 736   2017-02-05   
831-230 2 Monterey CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2021-04-02   
831-230 3 Monterey CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2021-04-02   
831-230 4 Monterey CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2021-04-02   
831-230 5 Monterey CA SLNSCA01XAY  073H TELNYX LLC 736   2023-04-12   
831-230 6 Monterey CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2024-02-22   
831-230 7 Monterey CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2022-12-12   
831-230 8 Monterey CA SLNSCA01X9Y  649C ONVOY, LLC - CA 736   2022-02-26   
831-230 9 Monterey CA SLNSCA01XAY  073H TELNYX LLC 736   2022-12-23   

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

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