Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Walnut, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
712-784 A WLNTIAXO2MD  1237 MARNE & ELK HORN TEL. CO. 644      
712-926 A OMAKNEYW8MD  516J TON80 COMMUNICATIONS, LLC 644      
712-926 2   516J TON80 COMMUNICATIONS, LLC 644   2022-04-25   

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

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