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: 650

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-650 A Northfield MN NRFDMNNORL0  8581 CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-MN 620      
507-650 1 Northfield MN ROCHMNROXQX  624H ONVOY SPECTRUM, LLC 620   2021-06-21   
507-650 3 Northfield MN ROCHMNROUMD  184D ONVOY, LLC - MN 620   2020-11-02   
507-650 4 Northfield MN ROCHMNROUMD  184D ONVOY, LLC - MN 620   2020-11-02   
507-650 5 Northfield MN ROCHMNROUMD  184D ONVOY, LLC - MN 620   2019-06-21   
507-650 6 Northfield MN ROCHMNROUMD  184D ONVOY, LLC - MN 620   2019-06-21   
507-650 7 Northfield MN   184D ONVOY, LLC - MN 620      
507-650 8 Northfield MN ROCHMNROXRX  073H TELNYX LLC 620   2020-07-20   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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