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: 997

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-997 A Trimont MN ROCHMNROUMD  184D ONVOY, LLC - MN 620      
507-997 0 Trimont MN ROCHMNROXRX  073H TELNYX LLC 620   2021-04-02   
507-997 1 Trimont MN ROCHMNROXQX  624H ONVOY SPECTRUM, LLC 620   2021-06-21   
507-997 6 Trimont MN ROCHMNROUMD  184D ONVOY, LLC - MN 620   2021-05-24   
507-997 7 Trimont MN ROCHMNROUMD  184D ONVOY, LLC - MN 620   2021-04-01   
507-997 9 Trimont MN ROCHMNROXQX  624H ONVOY SPECTRUM, LLC 620   2021-10-23   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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