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: 402

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-402 A Winfield KS WCHTKSMBX2X  2240 LEVEL 3 COMMUNICATIONS, LLC - KS 532      
620-402 0 Winfield KS WCHTKSMBX2X  2240 LEVEL 3 COMMUNICATIONS, LLC - KS 532      
620-402 1 Winfield KS WCHVKSCK4MD  6529 T-MOBILE USA, INC. 532   2021-03-11   
620-402 2 Winfield KS WCHTKSBRX5Z  318J COMCAST IP PHONE, LLC 532   2017-03-25   
620-402 3 Winfield KS WCHTKSBRX5Y  7593 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - KS 532   2011-02-20   
620-402 4 Winfield KS WCHTKSBRX7Z  6532 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS 532   2013-07-03   
620-402 5 Winfield KS WCHTKSBRTMD  516C AT&T CORP. 532   2012-12-26   
620-402 6 Winfield KS WCHTKSBRX5Z  318J COMCAST IP PHONE, LLC 532   2007-02-16   
620-402 7 Winfield KS WCHTKSBRXTZ  4780 WINDSTREAM NUVOX KANSAS, LLC 532   2013-09-29   
620-402 8 Winfield KS WCHTKSTPDS0  018H PEERLESS NETWORK OF KANSAS, LLC - KS 532   2016-02-20   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.