The Diocese, or ecclesiastical territory, is composed of 22,127 square miles [57,287 square kilometers], decidedly rural and embraces 38 counties in northeastern and central Missouri. It includes the urban areas of Columbia, Hannibal and the State Capital of Jefferson City. The Diocesan patroness is the Immaculate Heart of Mary. It is located in region IX of the United States Conference of Catholic Bishops (USCCB).

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 http://diojeffcity.org

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1. Created on: 05/04/1998, 04:00AM
2. Last Updated on: 04/08/2025, 18:55PM
3. Expires on: 05/03/2026, 04:00AM
4. Registrant:
   • State: MO
   • Country: UNITED STATES
   • Country Code: US
5. Technical Contact:
   • Country: UNITED STATES
   • Country Code: US
6. Domain Name: diojeffcity.org
7. Name Servers:
   • Host Names: ns11.constellix.com, ns21.constellix.com, ns31.constellix.com, ns41.constellix.net, ns51.constellix.net, ns61.constellix.net
8. Audit:
   • Created on: 04/19/2026, 18:44PM
   • Last Updated on: 04/19/2026, 18:44PM
9. Registrar: TLDS LLC. d/b/a SRSPlus
10. Registrar IANAID: 320
11. Contact Email: noc@primelink.com