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: 320

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
214-320 A Dallas TX DLLSTXDADS0  9533 SOUTHWESTERN BELL 552      
214-320 0 Dallas TX DLLSTXDADS0  9533 SOUTHWESTERN BELL 552      
214-320 1 Dallas TX DLLSTXDADS0  9533 SOUTHWESTERN BELL 552      
214-320 2 Dallas TX DLLSTXDADS0  9533 SOUTHWESTERN BELL 552      
214-320 3 Dallas TX   6529 T-MOBILE USA, INC. 552   2025-03-06   
214-320 4 Dallas TX DLLSTXDADS0  9533 SOUTHWESTERN BELL 552      
214-320 5 Dallas TX DLLSTXDADS0  9533 SOUTHWESTERN BELL 552      
214-320 6 Dallas TX DLLSTXDADS0  9533 SOUTHWESTERN BELL 552      
214-320 7 Dallas TX DLLSTXDADS0  9533 SOUTHWESTERN BELL 552      
214-320 8 Dallas TX DLLSTXDADS0  9533 SOUTHWESTERN BELL 552      
214-320 9 Dallas TX DLLSTXDADS0  9533 SOUTHWESTERN BELL 552      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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