Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 507 [Rate centres in NPA 507] [Dial plan for NPA 507]

NXX: 647

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-647 A Winthrop MN WNTHMNXWRS0  1508 WINTHROP TEL. CO. 620   2024-02-20   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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