Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Forestburg, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
940-837 A DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552      
940-837 3   6529 T-MOBILE USA, INC. 552   2026-07-09   
940-837 4 DLLSTX97X9X  516J TON80 COMMUNICATIONS, LLC 552   2022-03-16   
940-837 8   5562 METROPCS, INC. 552   2026-06-18   
940-964 A MNSTTXXADS0  2116 MUENSTER TELEPHONE CORP. OF TEXAS DBA NORTEX COMM 552      

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

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