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: CNTRTXCNDS0

Remotes:

Switch Switch name Switch type
CHRNTXCHRS0  CHIRENO  AXR 
SAGSTXSARS0  SAN AUGUSTINE  AXR 
TMPSTXTMRS0  TIMPSON  AXR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
936-590 A Center TX 9533 SOUTHWESTERN BELL 560      
936-590 3 Center TX 9533 SOUTHWESTERN BELL 560      
936-590 4 Center TX 9533 SOUTHWESTERN BELL 560      
936-590 9 Center TX 9533 SOUTHWESTERN BELL 560      
936-591 A Center TX 9533 SOUTHWESTERN BELL 560      
936-591 0 Center TX 9533 SOUTHWESTERN BELL 560      
936-591 1 Center TX 9533 SOUTHWESTERN BELL 560      
936-591 2 Center TX 9533 SOUTHWESTERN BELL 560      
936-591 3 Center TX 9533 SOUTHWESTERN BELL 560      
936-591 4 Center TX 9533 SOUTHWESTERN BELL 560      
936-591 5 Center TX 9533 SOUTHWESTERN BELL 560      
936-591 6 Center TX 9533 SOUTHWESTERN BELL 560      
936-591 8 Center TX 9533 SOUTHWESTERN BELL 560      
936-591 9 Center TX 9533 SOUTHWESTERN BELL 560      
936-598 A Center TX 9533 SOUTHWESTERN BELL 560      

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

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