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: 526

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-526 A Howard Lake MN MPLSMNCD9MD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 628      
320-526 0 Howard Lake MN MPLSMNCD9MD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 628   2007-09-11   
320-526 1 Howard Lake MN MPLSMNCDDSC  184D ONVOY, LLC - MN 628   2017-05-29   
320-526 2 Howard Lake MN MPLSMNCDDSC  184D ONVOY, LLC - MN 628   2019-10-28   
320-526 3 Howard Lake MN MPLSMNDTXFY  506J TWILIO INTERNATIONAL, INC. 628   2021-02-15   
320-526 5 Howard Lake MN MPLSMNCDDSC  184D ONVOY, LLC - MN 628   2020-03-06   
320-526 6 Howard Lake MN MPLSMNCDDSC  184D ONVOY, LLC - MN 628   2020-03-06   
320-526 7 Howard Lake MN MPLSMNFD2MD  508J CENTURYLINK COMMUNICATIONS, LLC 628   2014-11-18   
320-526 8 Howard Lake MN MPLSMNDTX1Y  8405 TELEPORT COMMUNICATIONS AMERICA, LLC - MN 628   2022-08-02   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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