Local Calling Guide

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

NXX: 401

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-401 A Marshall MN ROCHMNROX6X  6701 AERIAL COMMUNICATIONS, INC. 620      
507-401 0 Marshall MN   6701 AERIAL COMMUNICATIONS, INC. 620      
507-401 1 Marshall MN   6701 AERIAL COMMUNICATIONS, INC. 620      
507-401 2 Marshall MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2006-02-27   
507-401 3 Marshall MN   792K CHARTER IP ENABLED SERVICES, LLC 620   2006-05-22   
507-401 4 Marshall MN   980E BANDWIDTH.COM CLEC, LLC - MN 620   2011-07-30   
507-401 5 Marshall MN   980E BANDWIDTH.COM CLEC, LLC - MN 620   2011-08-25   
507-401 6 Marshall MN   5562 METROPCS, INC. 620      
507-401 7 Marshall MN   5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 620   2011-03-21   
507-401 8 Marshall MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2012-01-05   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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