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: 581

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-581 A Northfield MN OWTNMNOWOMD  6701 AERIAL COMMUNICATIONS, INC. 620      
507-581 0 Northfield MN OWTNMNOWOMD  6701 AERIAL COMMUNICATIONS, INC. 620      
507-581 1 Northfield MN OWTNMNOWOMD  6701 AERIAL COMMUNICATIONS, INC. 620      
507-581 2 Northfield MN OWTNMNOWOMD  6701 AERIAL COMMUNICATIONS, INC. 620   2005-08-05   
507-581 3 Northfield MN OWTNMNOWOMD  6701 AERIAL COMMUNICATIONS, INC. 620   2005-12-12   
507-581 4 Northfield MN OWTNMNOWOMD  6701 AERIAL COMMUNICATIONS, INC. 620   2007-03-06   
507-581 5 Northfield MN ROCHMNROTMD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2004-12-14   
507-581 6 Northfield MN OWTNMNOWOMD  6701 AERIAL COMMUNICATIONS, INC. 620      
507-581 7 Northfield MN OWTNMNOWOMD  6701 AERIAL COMMUNICATIONS, INC. 620   2009-01-20   
507-581 8 Northfield MN ROCHMNROTMD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2008-12-08   
507-581 9 Northfield MN OWTNMNOWOMD  6701 AERIAL COMMUNICATIONS, INC. 620      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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