Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 620 [Rate centres in NPA 620] [Dial plan for NPA 620]

NXX: 473

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-473 A Humboldt KS HMBLKSBRRL0  9533 SOUTHWESTERN BELL 532      
620-473 0 Humboldt KS   6267 UNITED STATES CELLULAR - KS 532   2005-03-04   
620-473 1 Humboldt KS   9533 SOUTHWESTERN BELL 532      
620-473 2 Humboldt KS   9533 SOUTHWESTERN BELL 532      
620-473 3 Humboldt KS   9533 SOUTHWESTERN BELL 532      
620-473 4 Humboldt KS   2240 LEVEL 3 COMMUNICATIONS, LLC - KS 532   2004-05-02   
620-473 5 Humboldt KS   318J COMCAST IP PHONE, LLC 532   2007-02-16   
620-473 6 Humboldt KS   2240 LEVEL 3 COMMUNICATIONS, LLC - KS 532   2005-01-22   
620-473 7 Humboldt KS   516C AT&T CORP. 532   2013-11-08   
620-473 8 Humboldt KS   508J CENTURYLINK COMMUNICATIONS, LLC 532   2014-03-13   
620-473 9 Humboldt KS   986E BANDWIDTH.COM CLEC, LLC - KS 532   2008-11-25   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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