Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
712-379 A ESSXIAXODS0  1176 FARMERS TEL. CO. 644      
712-453 A OMAHNE16X4X  593K MCC TELEPHONY LLC 644      
712-453 9 OMAHNE16X4X  593K MCC TELEPHONY LLC 644   2010-04-16   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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