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.
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Switch: WCHTKSBRX8Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
316-370 A Wichita KS 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 532      
316-370 9 Wichita KS 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 532   2021-01-12   
620-469 5 Arkansas City KS 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 532   2022-01-07   

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

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