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: 303

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-303 A Glenwood MN   5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 626      
320-303 2 Glenwood MN STCDMNTOXNX  624H ONVOY SPECTRUM, LLC 626   2024-12-19   
320-303 8 Glenwood MN STCDMNTOX7Y  5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 626   2023-07-28   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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