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]

NXX: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
214-203 A Cedar Hill TX   903C ONVOY, LLC - TX 552      
214-203 2 Cedar Hill TX   145J TERRA NOVA TELECOM INC. 552   2025-10-17   
214-203 9 Cedar Hill TX   903C ONVOY, LLC - TX 552      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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