Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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West Branch, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
319-643 A WLBTIAXODS1  1332 WEST LIBERTY TEL. CO. 635      
319-877 A NLBTIAXO2MD  593K MCC TELEPHONY LLC 635      
319-877 7 MNTIIAAKDS0  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2015-06-04   
319-877 8   593K MCC TELEPHONY LLC 635   2010-05-06   
319-877 9 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2021-03-10   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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