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: 552

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-552 A Chase KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532      
620-552 0 Chase KS   515J IP HORIZON LLC 532   2022-05-02   
620-552 1 Chase KS WCHTKSBRXPZ  624H ONVOY SPECTRUM, LLC 532   2025-01-21   
620-552 2 Chase KS WCHTKSBRX0X  205F ONVOY, LLC - KS 532   2021-08-26   
620-552 3 Chase KS WCHTKSBRTMD  516C AT&T CORP. 532   2024-09-09   
620-552 4 Chase KS   018H PEERLESS NETWORK OF KANSAS, LLC - KS 532   2025-04-19   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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