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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NPA: 620 [Rate centres in NPA 620] [Dial plan for NPA 620]

NXX: 616

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-616 A Great Bend KS WCHTKSBRXVZ  122D NEX-TECH WIRELESS, LLC 532   2024-05-10   
620-616 0 Great Bend KS WCHTKSBRXVZ  122D NEX-TECH WIRELESS, LLC 532   2024-04-26   
620-616 1 Great Bend KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2024-06-07   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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