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: 464

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-464 A Cosmos MN STCDMNTOX3X  184D ONVOY, LLC - MN 626      
320-464 4 Cosmos MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2021-03-11   
320-464 6 Cosmos MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2005-03-17   

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

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