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: 737

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-737 A Buffalo KS WCHTKSTPXMD  516J TON80 COMMUNICATIONS, LLC 532      
620-737 0 Buffalo KS WCHTKSBRXPZ  624H ONVOY SPECTRUM, LLC 532   2024-04-05   
620-737 8 Buffalo KS WCHTKSTPXMD  516J TON80 COMMUNICATIONS, LLC 532   2022-04-21   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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