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: 440

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-440 A Cosmos MN STCDMNTOXXX  719F MCC TELEPHONY OF MINNESOTA, LLC - MN 626      
320-440 1 Cosmos MN STCDMNTOXXX  719F MCC TELEPHONY OF MINNESOTA, LLC - MN 626   2010-05-16   
320-440 2 Cosmos MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2016-05-05   
320-440 4 Cosmos MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2017-11-20   
320-440 8 Cosmos MN STCDMNTOXTX  073H TELNYX LLC 626   2020-07-12   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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