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]

NXX: 368

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-368 A Denton TX DCTRTXXAUMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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