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: 492

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-492 A Madison Lake MN MNKTMNXMVMD  184D ONVOY, LLC - MN 620      
507-492 1 Madison Lake MN MNKTMNXMVMD  184D ONVOY, LLC - MN 620   2011-07-15   
507-492 4 Madison Lake MN MNKTMNXMVMD  184D ONVOY, LLC - MN 620   2022-10-12   
507-492 7 Madison Lake MN ROCHMNROTMD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2017-11-30   

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

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