Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-252 A DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632      
641-252 2   145J TERRA NOVA TELECOM INC. 632   2025-05-24   
641-252 4 DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2022-11-10   
641-252 9 DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2022-01-17   
641-857 A DUMTIAXODS0  1152 DUMONT TEL. CO. 632      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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