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: 623

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-623 A Kenyon MN ROCHMNROUMD  184D ONVOY, LLC - MN 620      
507-623 0 Kenyon MN   184D ONVOY, LLC - MN 620   2006-12-09   
507-623 1 Kenyon MN   719F MCC TELEPHONY OF MINNESOTA, LLC - MN 620   2010-05-14   
507-623 2 Kenyon MN   184D ONVOY, LLC - MN 620   2017-05-29   
507-623 3 Kenyon MN   184D ONVOY, LLC - MN 620   2020-11-06   
507-623 4 Kenyon MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2022-12-03   
507-623 5 Kenyon MN   184D ONVOY, LLC - MN 620   2019-09-12   
507-623 6 Kenyon MN   508J CENTURYLINK COMMUNICATIONS, LLC 620   2017-04-29   
507-623 7 Kenyon MN   184D ONVOY, LLC - MN 620   2015-01-11   
507-623 8 Kenyon MN   073H TELNYX LLC 620   2020-07-19   
507-623 9 Kenyon MN   184D ONVOY, LLC - MN 620   2021-03-08   

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

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