Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 369 [Rate centres in NPA 369] [Dial plan for NPA 369]

NXX: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
369-666 A Mendocino CA   649C ONVOY, LLC - CA 722   2026-02-17   
369-666 0 Mendocino CA   649C ONVOY, LLC - CA 722   2026-02-17   
369-666 6 Mendocino CA   649C ONVOY, LLC - CA 722   2026-02-17   

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

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