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: 378

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-378 A Herman MN STCDMNTOX3X  184D ONVOY, LLC - MN 626      
320-378 0 Herman MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2017-04-23   
320-378 1 Herman MN STCDMNTOX0X  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 626   2018-01-24   
320-378 2 Herman MN STCDMNTOXTX  073H TELNYX LLC 626   2020-07-19   
320-378 3 Herman MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2021-03-11   
320-378 6 Herman MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2023-09-03   
320-378 7 Herman MN STCDMNTOXHX  508J CENTURYLINK COMMUNICATIONS, LLC 626   2017-06-21   
320-378 8 Herman MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2019-02-25   
320-378 9 Herman MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2019-02-25   

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

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