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: 264

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-264 A Iona MN IONAMNXIRS2  1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-264 2 Iona MN   1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-264 3 Iona MN   1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-264 4 Iona MN   184D ONVOY, LLC - MN 620   2017-05-29   
507-264 5 Iona MN   508J CENTURYLINK COMMUNICATIONS, LLC 620   2017-04-28   
507-264 6 Iona MN   184D ONVOY, LLC - MN 620   2015-03-16   
507-264 7 Iona MN   1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-264 8 Iona MN   1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-264 9 Iona MN   1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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