Local Calling Guide

Area code/prefix search

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NPA: 940 [Rate centres in NPA 940] [Dial plan for NPA 940]

NXX: 423

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-423 A Windthorst TX SCLDTXXADS1  2061 COMMUNITY TEL. CO. 548      

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

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