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: 596

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-596 A Fairfax MN OWTNMNOWTMD  719F MCC TELEPHONY OF MINNESOTA, LLC - MN 620      
507-596 0 Fairfax MN   719F MCC TELEPHONY OF MINNESOTA, LLC - MN 620   2010-05-14   
507-596 1 Fairfax MN   184D ONVOY, LLC - MN 620   2017-05-29   
507-596 2 Fairfax MN   184D ONVOY, LLC - MN 620   2021-03-08   
507-596 3 Fairfax MN   145J TERRA NOVA TELECOM INC. 620   2025-08-30   
507-596 4 Fairfax MN   8405 TELEPORT COMMUNICATIONS AMERICA, LLC - MN 620   2023-01-20   
507-596 5 Fairfax MN   184D ONVOY, LLC - MN 620   2019-09-11   
507-596 7 Fairfax MN   184D ONVOY, LLC - MN 620   2015-01-02   
507-596 8 Fairfax MN   073H TELNYX LLC 620   2020-07-16   
507-596 9 Fairfax MN   980E BANDWIDTH.COM CLEC, LLC - MN 620   2018-06-01   

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

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