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: DEVNTXDVDS0

Remotes:

Switch Switch name Switch type
CTLLTXCORS0  COTULLA  AXR 
ENCLTXECRS0  ENCINAL  AXR 
LYTLTXLYRS0  LYTLE  AXR 
PRSLTXPSRS0  PEARSALL  AXR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
830-663 A Devine TX 9533 SOUTHWESTERN BELL 566      
830-665 A Devine EMS TX 9533 SOUTHWESTERN BELL 566      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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