Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 218 [Rate centres in NPA 218] [Dial plan for NPA 218]

NXX: 691

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
218-691 A Oslo MN TRFLMN24RS0  105J GARDEN VALLEY TELEPHONE COMPANY - MN 636   2024-03-24   
218-691 6 Oslo MN TRFLMN24RS0  105J GARDEN VALLEY TELEPHONE COMPANY - MN 636   2024-03-24   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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