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: 540

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-540 A Howard KS WCHTKSMBXUY  073H TELNYX LLC 532      
620-540 0 Howard KS WCHTKSMBXUY  073H TELNYX LLC 532   2021-09-17   
620-540 1 Howard KS   515J IP HORIZON LLC 532   2022-05-02   
620-540 2 Howard KS WCHTKSBRTMD  516C AT&T CORP. 532   2024-09-16   
620-540 4 Howard KS WCHTKSTPUMD  145J TERRA NOVA TELECOM INC. 532   2024-02-15   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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