Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 940 [Rate centres in NPA 940] [Dial plan for NPA 940]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-999 9 Denton TX DLLATX58DS1  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 552   2014-07-12   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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