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: LBRTTXLBDS0

Remotes:

Switch Switch name Switch type
DYTNTXDYRS0  DAYTON  AXR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
936-334 A Liberty TX 9533 SOUTHWESTERN BELL 560      
936-334 0 Liberty TX 9533 SOUTHWESTERN BELL 560      
936-334 1 Liberty TX 9533 SOUTHWESTERN BELL 560      
936-334 3 Liberty TX 9533 SOUTHWESTERN BELL 560      
936-334 7 Liberty TX 9533 SOUTHWESTERN BELL 560      
936-334 8 Liberty TX 9533 SOUTHWESTERN BELL 560      
936-336 A Liberty TX 9533 SOUTHWESTERN BELL 560      
936-346 A Liberty TX 9533 SOUTHWESTERN BELL 560      
936-346 3 Liberty TX 9533 SOUTHWESTERN BELL 560      
936-346 4 Liberty TX 9533 SOUTHWESTERN BELL 560      
936-346 5 Liberty TX 9533 SOUTHWESTERN BELL 560      
936-346 6 Liberty TX 9533 SOUTHWESTERN BELL 560      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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