Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
563-330 A CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635      
563-330 7 CDRRIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2023-02-17   
563-330 9 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2021-09-05   
563-537 A WUNNIA021MD  6529 T-MOBILE USA, INC. 635      
563-539 A MONNIAXODS1  1230 NORTHEAST IOWA TEL. CO. 635      

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

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