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: 244

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-244 A Grove City MN STCDMNTOX0X  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 626      
320-244 0 Grove City MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 626      
320-244 1 Grove City MN   719F MCC TELEPHONY OF MINNESOTA, LLC - MN 626   2010-05-16   
320-244 2 Grove City MN   184D ONVOY, LLC - MN 626   2013-01-12   
320-244 3 Grove City MN   184D ONVOY, LLC - MN 626   2021-11-25   
320-244 4 Grove City MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 626      
320-244 5 Grove City MN   184D ONVOY, LLC - MN 626   2021-03-11   
320-244 6 Grove City MN   624H ONVOY SPECTRUM, LLC 626   2024-12-19   
320-244 7 Grove City MN   184D ONVOY, LLC - MN 626   2012-06-01   
320-244 8 Grove City MN   073H TELNYX LLC 626   2020-07-19   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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