Local Calling Guide

Area code/prefix search

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

NXX: 407

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-407 A Denton TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2026-01-23   
940-407 9 Denton TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2026-01-23   

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

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