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: 837

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-837 A Forestburg TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552      
940-837 3 Forestburg TX   6529 T-MOBILE USA, INC. 552   2026-07-09   
940-837 4 Forestburg TX DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552   2022-03-16   
940-837 8 Forestburg TX   5562 METROPCS, INC. 552   2026-06-18   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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