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: 977

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-977 A Holdingford MN STCDMNTOX4Y  965H FRACTEL, LLC 626      
320-977 0 Holdingford MN STCDMNTOXTX  073H TELNYX LLC 626   2020-08-17   
320-977 1 Holdingford MN STCDMNTOXNX  624H ONVOY SPECTRUM, LLC 626   2024-03-10   
320-977 6 Holdingford MN STCDMNTOXUX  8405 TELEPORT COMMUNICATIONS AMERICA, LLC - MN 626   2023-01-23   
320-977 7 Holdingford MN STCDMNTOX4Y  965H FRACTEL, LLC 626   2020-08-16   
320-977 8 Holdingford MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2021-05-24   
320-977 9 Holdingford MN STCDMNTOX3X  184D ONVOY, LLC - MN 626   2021-09-27   

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

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