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: GRCYKS07DS0

Remotes:

Switch Switch name Switch type
HLCMKSMARS2  HOLCOMB  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
620-260 A Garden City KS 9533 SOUTHWESTERN BELL 532      
620-271 A Garden City KS 9533 SOUTHWESTERN BELL 532      
620-272 A Garden City KS 9533 SOUTHWESTERN BELL 532      
620-275 A Garden City KS 9533 SOUTHWESTERN BELL 532      
620-276 A Garden City KS 9533 SOUTHWESTERN BELL 532      
620-765 A Garden City KS 9533 SOUTHWESTERN BELL 532      
620-805 A Garden City KS 9533 SOUTHWESTERN BELL 532      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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