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Wallace State Office Building, Des Moines Iowa

Contact the Iowa DNR

Business hours: 8:00 a.m. - 4:30 p.m. CST, Monday through Friday except for state holidays

Iowa DNR Headquarters
Wallace State Office Building
502 East 9th Street, 4th Floor
Des Moines, IA 50319-0034

Full State of Iowa Employee Directory (not just DNR)

DNR Staff and Offices Contact Information

Iowa DNR staff and office information by county (updated September 2015)


**Click on county tab on left side of document to get to information needed.**
A detailed county listing of conservation officers, conservation officer supervisors, recreational safety officers, fisheries biologists, wildlife biologists, environmental field offices, nuisance wildlife control operators, wildlife rehabilitation operators, county recorders and county conservation boards.

Additional numbers:

  • Iowa DNR Customer Service: 515-725-8200 (phone)
  • Iowa DNR Customer Service: 515-725-8202 (fax)
  • Para asistencia en español: 515-725-8263
  • TTY- use relay Iowa: 800-735-7942

Emergence Response (24 hour number for environmental spills) - 515-725-8694

TIP- Turn in Poachers (only to be used to report fish and game crimes) - 800-532-2020


Please use the search function located at the top right of every page to find information within the web site. The Iowa DNR business hours are 8am - 4:30pm CST, Monday - Friday, closed holidays. Responses to inquiries are sent during regular business hours.

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