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: 671

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-671 A Hayfield MN ROCHMNROUMD  184D ONVOY, LLC - MN 620      
507-671 0 Hayfield MN   184D ONVOY, LLC - MN 620      
507-671 1 Hayfield MN   184D ONVOY, LLC - MN 620      
507-671 6 Hayfield MN   939H COMMIO, LLC 620   2023-10-20   
507-671 7 Hayfield MN   939H COMMIO, LLC 620   2023-10-20   
507-671 8 Hayfield MN   939H COMMIO, LLC 620   2023-10-20   
507-671 9 Hayfield MN   939H COMMIO, LLC 620   2023-10-20   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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