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: 705

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-705 A Winfield KS WNFDKSMIDS0  9533 SOUTHWESTERN BELL 532      
620-705 0 Winfield KS WNFDKSMIDS0  9533 SOUTHWESTERN BELL 532      
620-705 1 Winfield KS WCHTKSBRDMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 532   2009-10-15   
620-705 2 Winfield KS WCHTKSBRDMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 532   2012-09-03   
620-705 3 Winfield KS WCHTKSTPNMD  073H TELNYX LLC 532   2017-03-20   
620-705 4 Winfield KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2017-05-02   
620-705 5 Winfield KS WCHTKSBRX5Z  318J COMCAST IP PHONE, LLC 532   2011-08-05   
620-705 6 Winfield KS WCHTKSTPJMD  8995 TELEPORT COMMUNICATIONS AMERICA, LLC - KS 532   2013-02-15   
620-705 7 Winfield KS WCHTKSBRXVY  508J CENTURYLINK COMMUNICATIONS, LLC 532   2014-03-11   
620-705 8 Winfield KS WCHTKSBRDMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 532   2016-01-23   
620-705 9 Winfield KS WCHTKSBRDMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 532   2013-11-22   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.