Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 341 [Rate centres in NPA 341] [Dial plan for NPA 341]

NXX: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
341-300 A Richmond CA SNJUCACL7MD  965H FRACTEL, LLC 722      
341-300 0 Richmond CA   965H FRACTEL, LLC 722   2020-11-14   
341-300 1 Richmond CA   649C ONVOY, LLC - CA 722   2021-01-02   
341-300 2 Richmond CA   649C ONVOY, LLC - CA 722   2021-01-02   
341-300 3 Richmond CA   965H FRACTEL, LLC 722   2020-11-14   
341-300 4 Richmond CA   649C ONVOY, LLC - CA 722   2022-10-10   
341-300 5 Richmond CA   649C ONVOY, LLC - CA 722   2022-10-10   
341-300 6 Richmond CA   649C ONVOY, LLC - CA 722   2022-10-10   
341-300 7 Richmond CA   649C ONVOY, LLC - CA 722   2025-11-28   
341-300 8 Richmond CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2020-12-01   
341-300 9 Richmond CA   649C ONVOY, LLC - CA 722   2021-01-02   

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

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