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: HNVITXHNDS0

Remotes:

Switch Switch name Switch type
MDVITXMDRS0  MADISONVILLE  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
936-291 A Huntsville TX 9533 SOUTHWESTERN BELL 560      
936-293 A Huntsville TX 9533 SOUTHWESTERN BELL 560      
936-294 A Huntsville TX 9533 SOUTHWESTERN BELL 560      
936-295 A Huntsville TX 9533 SOUTHWESTERN BELL 560      
936-435 A Huntsville TX 9533 SOUTHWESTERN BELL 560      
936-436 A Huntsville TX 9533 SOUTHWESTERN BELL 560      
936-437 A Huntsville TX 9533 SOUTHWESTERN BELL 560      
936-438 A Huntsville TX 9533 SOUTHWESTERN BELL 560      
936-439 A Huntsville TX 9533 SOUTHWESTERN BELL 560      
936-496 A Huntsville TX 9533 SOUTHWESTERN BELL 560      
936-730 A Huntsville TX 9533 SOUTHWESTERN BELL 560      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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