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: WCHTKSBRXHZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
316-375 A Newton KS 495J STRATUS NETWORKS 532      
316-375 1 Newton KS 495J STRATUS NETWORKS 532   2021-03-27   
316-376 A Wichita KS 495J STRATUS NETWORKS 532      
316-376 1 Wichita KS 495J STRATUS NETWORKS 532   2021-04-05   
316-452 7 El Dorado KS 495J STRATUS NETWORKS 532   2021-03-31   
620-301 4 Winfield KS 495J STRATUS NETWORKS 532   2021-04-28   
620-315 0 Garden City KS 495J STRATUS NETWORKS 532   2021-04-06   
620-553 0 Kingman KS 495J STRATUS NETWORKS 532   2021-03-31   
620-833 2 Hutchinson KS 495J STRATUS NETWORKS 532   2021-03-31   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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