Local Calling Guide

Area code/prefix search

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OCN: 1508 WINTHROP TEL. CO.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
507-647 A Winthrop MN WNTHMNXWRS0  620   2024-02-20   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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