Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
319-267 A ALSNIAAB1MD  1152 DUMONT TEL. CO. 635      
319-699 A MNTIIAAKDS0  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635      
319-699 0   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635      
319-699 1   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635      
319-699 6   145J TERRA NOVA TELECOM INC. 635   2025-06-06   
319-699 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2021-03-10   
319-699 9   965H FRACTEL, LLC 635   2020-08-10   

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

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