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: 457

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-457 A Villard MN STCDMNTOX1Y  073H TELNYX LLC 626      
320-457 0 Villard MN   073H TELNYX LLC 626   2021-10-16   
320-457 1 Villard MN   939H COMMIO, LLC 626   2023-09-15   
320-457 2 Villard MN   184D ONVOY, LLC - MN 626   2021-11-01   
320-457 3 Villard MN   939H COMMIO, LLC 626   2023-09-15   
320-457 4 Villard MN   939H COMMIO, LLC 626   2023-09-15   
320-457 5 Villard MN   624H ONVOY SPECTRUM, LLC 626   2024-12-19   
320-457 6 Villard MN   939H COMMIO, LLC 626   2023-09-15   
320-457 7 Villard MN   184D ONVOY, LLC - MN 626   2021-10-17   
320-457 8 Villard MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 626   2023-02-25   
320-457 9 Villard MN   939H COMMIO, LLC 626   2023-09-15   

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

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