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: 636

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-636 A Fredonia KS WCHTKSTPMMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 532      
620-636 0 Fredonia KS   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 532      
620-636 1 Fredonia KS   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 532   2012-03-11   
620-636 3 Fredonia KS   145J TERRA NOVA TELECOM INC. 532   2025-05-31   
620-636 6 Fredonia KS   8995 TELEPORT COMMUNICATIONS AMERICA, LLC - KS 532   2018-09-24   
620-636 7 Fredonia KS   145J TERRA NOVA TELECOM INC. 532   2026-01-04   
620-636 8 Fredonia KS   205F ONVOY, LLC - KS 532   2019-06-10   
620-636 9 Fredonia KS   205F ONVOY, LLC - KS 532   2019-06-10   

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

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