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: 599

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-599 A Owatonna MN   184D ONVOY, LLC - MN 620      
507-599 0 Owatonna MN ROCHMNROXRX  073H TELNYX LLC 620   2020-07-20   
507-599 4 Owatonna MN ROCHMNROTMD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2020-06-05   
507-599 5 Owatonna MN ROCHMNROXAX  8405 TELEPORT COMMUNICATIONS AMERICA, LLC - MN 620   2017-03-10   
507-599 6 Owatonna MN   184D ONVOY, LLC - MN 620   2005-08-07   
507-599 7 Owatonna MN ROCHMNROUMD  184D ONVOY, LLC - MN 620   2023-08-20   
507-599 8 Owatonna MN ROCHMNROUMD  184D ONVOY, LLC - MN 620   2023-08-20   
507-599 9 Owatonna MN ROCHMNROXVX  965H FRACTEL, LLC 620   2020-11-05   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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