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: 337

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-337 A Atwater MN STCDMNTOX3X  184D ONVOY, LLC - MN 626      
320-337 1 Atwater MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2016-05-05   
320-337 2 Atwater MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2019-02-25   
320-337 3 Atwater MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2019-02-25   
320-337 4 Atwater MN STCDMNTOXTX  073H TELNYX LLC 626   2020-07-05   
320-337 5 Atwater MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2021-03-11   
320-337 6 Atwater MN STCDMNTOXNX  624H ONVOY SPECTRUM, LLC 626   2021-08-04   
320-337 7 Atwater MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2004-03-28   
320-337 8 Atwater MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2017-10-18   
320-337 9 Atwater MN STCDMNTOXXX  719F MCC TELEPHONY OF MINNESOTA, LLC - MN 626   2010-05-13   

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

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