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: 261

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-261 A Annandale MN HSNGMNXHEMD  429A MIDCONTINENT COMMUNICATIONS - MN 628      
320-261 2 Annandale MN   4156 TEKSTAR COMMUNICATIONS, INC. 628   2018-04-05   
320-261 5 Annandale MN   429A MIDCONTINENT COMMUNICATIONS - MN 628   2016-03-21   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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