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: DLLSTXALBMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
469-942 A Dallas TX 495J STRATUS NETWORKS 552      
469-942 1 Dallas TX 495J STRATUS NETWORKS 552   2021-05-16   
682-786 0 Fort Worth TX 495J STRATUS NETWORKS 552   2021-05-29   
945-699 8 McKinney TX 495J STRATUS NETWORKS 552   2021-07-09   

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

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