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: WCHTKSBRY0X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
316-364 A Wichita KS 425J CSC WIRELESS, LLC 532      
316-364 2 Wichita KS 425J CSC WIRELESS, LLC 532   2019-07-20   
620-558 A Riverton KS 425J CSC WIRELESS, LLC 532      
620-558 0 Riverton KS 425J CSC WIRELESS, LLC 532   2021-12-05   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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