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: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-400 A Winnie TX   793K TWC IP ENABLED SERVICES, LLC 562      
409-400 0 Winnie TX BUMTTXTEDS4  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 562   2013-11-18   
409-400 4 Winnie TX   793K TWC IP ENABLED SERVICES, LLC 562   2011-01-09   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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