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.

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

NXX: 685

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-685 A Piqua KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532      
620-685 0 Piqua KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2017-05-28   
620-685 1 Piqua KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2019-06-15   
620-685 8 Piqua KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2019-06-15   
620-685 9 Piqua KS WCHTKSBRXPZ  624H ONVOY SPECTRUM, LLC 532   2024-04-07   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.