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GNB Insurance


We are 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

Already a GNB Insurance customer? Visit the link below to sign up for online access to your GNB Insurance account. Click "create account" to get started. You will need to provide an email address, phone number and a policy number. You must accept the end-user license agreement. If you have questions, please call our office. We are happy to walk you through the setup.

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.

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.

Privacy Policy for GNB Bank and it's subsidiaries. 


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