Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: DLLSTXSQDS2

Remotes:

Switch Switch name Switch type
PLANTXMZRS1  PLANO  RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
214-614 A Irving TX 8958 XO TEXAS, INC. 552      
214-615 A Dallas TX 8958 XO TEXAS, INC. 552      
214-615 0 Dallas TX 8958 XO TEXAS, INC. 552      
214-615 1 Dallas TX 8958 XO TEXAS, INC. 552      
214-615 2 Dallas TX 8958 XO TEXAS, INC. 552      
214-615 3 Dallas TX 8958 XO TEXAS, INC. 552      
214-615 5 Dallas TX 8958 XO TEXAS, INC. 552      
214-615 6 Dallas TX 8958 XO TEXAS, INC. 552      
214-615 7 Dallas TX 8958 XO TEXAS, INC. 552      
214-615 8 Dallas TX 8958 XO TEXAS, INC. 552      
214-615 9 Dallas TX 8958 XO TEXAS, INC. 552      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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