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: 320

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-320 A Macksville KS MCVLKSXAAMD  787D GBT COMMUNICATIONS, INC. - KS 532      
620-320 0 Macksville KS   624H ONVOY SPECTRUM, LLC 532   2025-01-21   
620-320 3 Macksville KS   205F ONVOY, LLC - KS 532   2019-09-05   
620-320 5 Macksville KS   787D GBT COMMUNICATIONS, INC. - KS 532   2008-11-14   
620-320 7 Macksville KS   508J CENTURYLINK COMMUNICATIONS, LLC 532   2014-03-04   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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