Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Silver Lake, MN

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
320-327 A SLLKMNXSRS0  1456 CENTURYLINK OF MINNESOTA, INC. 628      
320-753 A OSSEMNXODMD  593K MCC TELEPHONY LLC 628      
320-753 0   184D ONVOY, LLC - MN 628   2017-05-29   
320-753 1   073H TELNYX LLC 628   2020-07-23   
320-753 3   184D ONVOY, LLC - MN 628   2015-06-20   
320-753 4   184D ONVOY, LLC - MN 628   2021-03-11   
320-753 5   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 628   2023-02-25   
320-753 6   593K MCC TELEPHONY LLC 628   2010-07-11   
320-753 7   508J CENTURYLINK COMMUNICATIONS, LLC 628   2014-11-18   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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