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: 408

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-408 A Caledonia MN OWTNMNAMGMD  4587 CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-MN 620      
507-408 0 Caledonia MN   184D ONVOY, LLC - MN 620      
507-408 6 Caledonia MN ROCHMNROXAX  8405 TELEPORT COMMUNICATIONS AMERICA, LLC - MN 620   2022-11-09   
507-408 8 Caledonia MN ROCHMNHI9MD  939H COMMIO, LLC 620   2023-10-20   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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