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: 392

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-392 A Hartford KS HRFRKSAARS0  9533 SOUTHWESTERN BELL 532      
620-392 0 Hartford KS   986E BANDWIDTH.COM CLEC, LLC - KS 532   2008-11-25   
620-392 1 Hartford KS   9533 SOUTHWESTERN BELL 532      
620-392 2 Hartford KS   986E BANDWIDTH.COM CLEC, LLC - KS 532   2014-02-20   
620-392 3 Hartford KS   986E BANDWIDTH.COM CLEC, LLC - KS 532   2015-06-11   
620-392 4 Hartford KS   2240 LEVEL 3 COMMUNICATIONS, LLC - KS 532   2005-01-22   
620-392 5 Hartford KS   9533 SOUTHWESTERN BELL 532      
620-392 6 Hartford KS   018H PEERLESS NETWORK OF KANSAS, LLC - KS 532   2016-02-15   
620-392 7 Hartford KS   508J CENTURYLINK COMMUNICATIONS, LLC 532   2014-03-10   
620-392 9 Hartford KS   205F ONVOY, LLC - KS 532   2017-05-02   

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

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