Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 409 [Rate centres in NPA 409] [Dial plan for NPA 409]

NXX: 320

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-320 A Beaumont TX BUMUTXHM7MD  475J CALLWORKS CORPORATION 562      
409-320 0 Beaumont TX BUMUTXHM0MD  939H COMMIO, LLC 562   2024-02-25   
409-320 8 Beaumont TX BUMUTXHM0MD  939H COMMIO, LLC 562   2024-02-25   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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