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: 317

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-317 A Monterey CA MTRYCAPMGMD  616J LEAP TELECOM, LLC 736   2024-11-22   
831-317 0 Monterey CA MTRYCAPMGMD  616J LEAP TELECOM, LLC 736   2024-11-22   
831-317 1 Monterey CA SLNSCA01XCY  624H ONVOY SPECTRUM, LLC 736   2024-11-23   
831-317 5 Monterey CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2025-03-23   
831-317 6 Monterey CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2025-05-11   
831-317 7 Monterey CA SLNSCA01XCY  624H ONVOY SPECTRUM, LLC 736   2024-11-23   
831-317 8 Monterey CA SLNSCA01XCY  624H ONVOY SPECTRUM, LLC 736   2024-11-23   
831-317 9 Monterey CA SLNSCA01XCY  624H ONVOY SPECTRUM, LLC 736   2024-11-23   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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