Local Calling Guide

Area code/prefix search

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

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-819 8 DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2018-11-16   
641-819 9 FRFDIAXCPS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632   2015-08-24   
641-919 A CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632      

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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