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: 494

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-494 A Burns KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532      
620-494 0 Burns KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2021-04-25   
620-494 1 Burns KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2021-04-25   
620-494 2 Burns KS WCHTKSBRX5X  986E BANDWIDTH.COM CLEC, LLC - KS 532   2021-07-03   
620-494 3 Burns KS WCHTKSBRXPZ  624H ONVOY SPECTRUM, LLC 532   2024-04-05   
620-494 4 Burns KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2021-03-14   
620-494 5 Burns KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2021-03-14   
620-494 7 Burns KS WCHTKSBRTMD  516C AT&T CORP. 532   2024-09-09   
620-494 8 Burns KS   515J IP HORIZON LLC 532   2022-05-02   
620-494 9 Burns KS WCHTKSTPUMD  145J TERRA NOVA TELECOM INC. 532   2024-02-16   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.