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: 634

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-634 A Mound Valley KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532      
620-634 0 Mound Valley KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2017-05-28   
620-634 1 Mound Valley KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2019-06-10   
620-634 3 Mound Valley KS   145J TERRA NOVA TELECOM INC. 532   2025-05-31   
620-634 4 Mound Valley KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2020-10-19   
620-634 5 Mound Valley KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2020-10-19   
620-634 8 Mound Valley KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2019-06-10   
620-634 9 Mound Valley KS WCHTKSBRXPZ  624H ONVOY SPECTRUM, LLC 532   2024-04-07   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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