Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 320 [Rate centres in NPA 320] [Dial plan for NPA 320]

NXX: 334

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-334 A Glenwood MN STCDMNTOXQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626      
320-334 0 Glenwood MN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626      
320-334 1 Glenwood MN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626      
320-334 2 Glenwood MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 626   2006-03-31   
320-334 3 Glenwood MN   792K CHARTER IP ENABLED SERVICES, LLC 626   2007-05-19   
320-334 4 Glenwood MN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626   2010-03-25   
320-334 5 Glenwood MN   184D ONVOY, LLC - MN 626   2012-12-17   
320-334 6 Glenwood MN   184D ONVOY, LLC - MN 626   2012-09-25   
320-334 7 Glenwood MN   184D ONVOY, LLC - MN 626   2007-04-13   
320-334 8 Glenwood MN   184D ONVOY, LLC - MN 626   2012-12-17   

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

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