Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 214 [Rate centres in NPA 214] [Dial plan for NPA 214]

Region: TX

OCN: 321J HD CARRIER LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
214-238 1 Dallas TX   552   2026-09-28   
214-839 6 Irving TX   552   2026-09-26   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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