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: 401

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-401 A Maple Lake MN BFLOMNAE2MD  792K CHARTER IP ENABLED SERVICES, LLC 628   2025-02-18   
320-401 0 Maple Lake MN HSNGMNXHEMD  429A MIDCONTINENT COMMUNICATIONS - MN 628   2022-06-17   
320-401 1 Maple Lake MN BFLOMNAE2MD  792K CHARTER IP ENABLED SERVICES, LLC 628   2012-11-29   
320-401 2 Maple Lake MN MPLSMNCD00Z  490J DISH WIRELESS, LLC 628   2023-06-18   
320-401 4 Maple Lake MN STCDMNES6MD  4156 TEKSTAR COMMUNICATIONS, INC. 628   2018-04-05   

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

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