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: 303

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-303 A Hartford KS WCHTKSBRX5X  986E BANDWIDTH.COM CLEC, LLC - KS 532      
620-303 0 Hartford KS   986E BANDWIDTH.COM CLEC, LLC - KS 532   2019-05-26   
620-303 1 Hartford KS   986E BANDWIDTH.COM CLEC, LLC - KS 532   2019-05-26   
620-303 2 Hartford KS   073H TELNYX LLC 532   2019-05-27   
620-303 3 Hartford KS   205F ONVOY, LLC - KS 532   2020-10-19   
620-303 4 Hartford KS   205F ONVOY, LLC - KS 532   2020-10-19   
620-303 5 Hartford KS   516C AT&T CORP. 532   2024-09-16   
620-303 6 Hartford KS   205F ONVOY, LLC - KS 532   2021-03-05   
620-303 7 Hartford KS   205F ONVOY, LLC - KS 532   2021-03-05   
620-303 8 Hartford KS   205F ONVOY, LLC - KS 532   2019-06-10   
620-303 9 Hartford KS   205F ONVOY, LLC - KS 532   2019-06-10   

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

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