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: 649

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-649 A Bird Island MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 626      
320-649 9 Bird Island MN   145J TERRA NOVA TELECOM INC. 626   2026-04-21   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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