Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 507 [Rate centres in NPA 507] [Dial plan for NPA 507]

NXX: 797

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-797 A Gibbon MN OWTNMNOWTMD  719F MCC TELEPHONY OF MINNESOTA, LLC - MN 620      
507-797 0 Gibbon MN   184D ONVOY, LLC - MN 620   2017-05-29   
507-797 1 Gibbon MN   719F MCC TELEPHONY OF MINNESOTA, LLC - MN 620   2010-05-29   
507-797 4 Gibbon MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2023-02-25   
507-797 5 Gibbon MN   184D ONVOY, LLC - MN 620   2019-09-11   
507-797 6 Gibbon MN   624H ONVOY SPECTRUM, LLC 620   2021-06-21   
507-797 7 Gibbon MN   184D ONVOY, LLC - MN 620   2015-01-02   
507-797 8 Gibbon MN   073H TELNYX LLC 620   2020-07-19   
507-797 9 Gibbon MN   145J TERRA NOVA TELECOM INC. 620   2025-09-01   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.