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: 993

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-993 A Brooten MN STCDMNTOXXX  719F MCC TELEPHONY OF MINNESOTA, LLC - MN 626      
320-993 1 Brooten MN   624H ONVOY SPECTRUM, LLC 626   2024-12-19   
320-993 2 Brooten MN   184D ONVOY, LLC - MN 626   2021-03-11   
320-993 3 Brooten MN   184D ONVOY, LLC - MN 626   2020-05-26   
320-993 4 Brooten MN   2629 FEDERATED TELEPHONE COOPERATIVE - MN 626   2025-04-18   
320-993 6 Brooten MN   719F MCC TELEPHONY OF MINNESOTA, LLC - MN 626   2010-07-11   
320-993 9 Brooten MN   184D ONVOY, LLC - MN 626   2021-09-27   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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