Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 405 [Rate centres in NPA 405] [Dial plan for NPA 405]

NXX: 346

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-346 A Guthrie OK   409F ONVOY, LLC - OK 536      
405-346 0 Guthrie OK   409F ONVOY, LLC - OK 536   2024-03-24   
405-346 1 Guthrie OK   409F ONVOY, LLC - OK 536   2025-05-02   
405-346 5 Guthrie OK   409F ONVOY, LLC - OK 536      
405-346 6 Guthrie OK   530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536   2013-05-20   
405-346 7 Guthrie OK   409F ONVOY, LLC - OK 536   2024-05-03   
405-346 8 Guthrie OK   119F BANDWIDTH.COM CLEC, LLC - OK 536   2015-05-22   
405-346 9 Guthrie OK   409F ONVOY, LLC - OK 536   2025-05-02   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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