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: HLBOTXJUDS0

Remotes:

Switch Switch name Switch type
ITSCTXMURS0  Itasca  AXR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
254-580 A Hillsboro TX 9533 SOUTHWESTERN BELL 556      
254-580 0 Hillsboro TX 9533 SOUTHWESTERN BELL 556      
254-580 1 Hillsboro TX 9533 SOUTHWESTERN BELL 556      
254-580 2 Hillsboro TX 9533 SOUTHWESTERN BELL 556      
254-580 5 Hillsboro TX 9533 SOUTHWESTERN BELL 556      
254-580 6 Hillsboro TX 9533 SOUTHWESTERN BELL 556      
254-580 8 Hillsboro TX 9533 SOUTHWESTERN BELL 556      
254-580 9 Hillsboro TX 9533 SOUTHWESTERN BELL 556      
254-582 A Hillsboro TX 9533 SOUTHWESTERN BELL 556      
254-602 A Hillsboro TX 9533 SOUTHWESTERN BELL 556      
254-602 2 Hillsboro TX 9533 SOUTHWESTERN BELL 556      
254-659 A Hillsboro TX 9533 SOUTHWESTERN BELL 556      
254-659 7 Hillsboro TX 9533 SOUTHWESTERN BELL 556      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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