Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 754H RS FIBER COOPERATIVE - MN

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
507-614 A Winthrop MN WNTHMN080MD  620      
507-614 7 Winthrop MN   620   2016-04-21   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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