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: 844

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-844 A Avon MN STCDMNTOX3X  184D ONVOY, LLC - MN 626      
320-844 0 Avon MN STCDMNTOXTX  073H TELNYX LLC 626   2020-11-08   
320-844 1 Avon MN CLSPMNAL0MD  429A MIDCONTINENT COMMUNICATIONS - MN 626   2011-10-14   
320-844 3 Avon MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2012-12-17   
320-844 4 Avon MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2014-10-06   
320-844 5 Avon MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2014-10-06   
320-844 6 Avon MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2012-09-25   
320-844 7 Avon MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2011-12-05   
320-844 8 Avon MN STCDMNTOXRX  980E BANDWIDTH.COM CLEC, LLC - MN 626   2015-09-10   
320-844 9 Avon MN STCDMNES6MD  4156 TEKSTAR COMMUNICATIONS, INC. 626   2017-12-29   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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