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: 299

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-299 A Cokato MN MPLSMNCD9MD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 628      
320-299 0 Cokato MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 628      
320-299 1 Cokato MN   073H TELNYX LLC 628   2020-07-12   
320-299 2 Cokato MN   184D ONVOY, LLC - MN 628   2019-05-05   
320-299 3 Cokato MN   184D ONVOY, LLC - MN 628   2019-05-05   
320-299 4 Cokato MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 628      
320-299 5 Cokato MN   624H ONVOY SPECTRUM, LLC 628   2021-07-16   
320-299 7 Cokato MN   508J CENTURYLINK COMMUNICATIONS, LLC 628   2014-11-18   
320-299 8 Cokato MN   073H TELNYX LLC 628   2021-04-03   
320-299 9 Cokato MN   184D ONVOY, LLC - MN 628   2015-06-18   

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

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