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: 542

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-542 A Coyville KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532      
620-542 0 Coyville KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2017-05-28   
620-542 1 Coyville KS WCHTKSBRXPZ  624H ONVOY SPECTRUM, LLC 532   2024-04-05   
620-542 4 Coyville KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2020-10-18   
620-542 5 Coyville KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2020-10-18   
620-542 8 Coyville KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2019-06-10   
620-542 9 Coyville KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2019-06-10   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.