Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Shell Rock, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
319-421 A NLBTIAXO2MD  751F MCC TELEPHONY OF IOWA, LLC - IA 635      
319-421 1 MNTIIAAKDS0  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2018-05-14   
319-421 2 IWCYIA7000Z  490J DISH WIRELESS, LLC 635   2023-07-23   
319-421 4 CDRRIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2022-11-10   
319-421 8 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2021-03-10   
319-421 9 NLBTIAXO2MD  751F MCC TELEPHONY OF IOWA, LLC - IA 635   2010-05-09   
319-885 A PLFDIAXODS1  1115 BUTLER-BREMER MUTUAL TEL. CO. 635      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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