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: 674

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-674 A Amboy MN AMBYMNXARS6  1375 CONSOLIDATED COMMUNICATIONS MID-COM COMPANY - MN 620      
507-674 1 Amboy MN AMBYMNXARS6  1375 CONSOLIDATED COMMUNICATIONS MID-COM COMPANY - MN 620      
507-674 2 Amboy MN AMBYMNXARS6  1375 CONSOLIDATED COMMUNICATIONS MID-COM COMPANY - MN 620      
507-674 3 Amboy MN AMBYMNXARS6  1375 CONSOLIDATED COMMUNICATIONS MID-COM COMPANY - MN 620      
507-674 5 Amboy MN MNKTMNXMVMD  184D ONVOY, LLC - MN 620   2022-10-12   
507-674 7 Amboy MN ROCHMNHI9MD  939H COMMIO, LLC 620   2023-05-07   
507-674 8 Amboy MN OWTNMNOWYMD  508J CENTURYLINK COMMUNICATIONS, LLC 620   2017-12-17   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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