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Insurance

GNB Insurance

We're a locally owned and operated insurance agency in Grundy, Marshall, and Hardin Counties in Iowa. We offer insurance products for individuals and businesses. Working with the GNB Insurance agency provides you with the personal service and attention of an independent insurance agency and our team of insurance agents.

GNB Insurance locations include:

  • Ackley - 646 Main Street. 641-847-3541 
  • Conrad - 103 E Center Street. 641-366-2280
  • Grundy Center - 603 7th Street. 319-825-5295
  • Iowa Falls - 315 Main Street. 641-648-6689
  • Marshalltown - 2504 S 2nd Street. 641-753-4040
insurance meeting

You can now access your GNB Insurance information from any mobile device with our Mobile Insurance App! Simply search for GNB Insurance Mobile in your app store.

Coverages We Offer

  • Crop
  • Life
  • Health
  • Personal
  • Commercial
Get a Quote Meet Our TeamPersonal Coverage Commercial Coverage
Insurance Disclosures

Misstatements or omissions of relevant information by the client can lead to price variations or even declination or rescission of coverage.
Information requested to provide a quote or work on coverage will not be shared with carriers or with any other entity without the applicant's permission.
None of the information provided on the website is a guarantee that insurance will be provided or that the agency is obligated to procure insurance for the website visitor.

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