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How to Contact First Missouri State Bank Customer Service

October 3, 2025Alicia Gopin3 min read

How to Contact First Missouri State Bank Customer Service

First Missouri State Bank aims to deliver excellent customer service. If you need assistance, you can reach out through several methods outlined below.

Contact Form on the Website

To contact customer service easily, use the online contact form. Visit the Contact Us page on their website, fill in the required fields, enter your message, and submit. A representative will respond promptly.

Phone Support

For immediate assistance, call First Missouri State Bank at 573-334-9000. A representative can help address your concerns or answer your questions.

Lost or Stolen Debit Card

If your debit card is lost or stolen, act quickly to prevent unauthorized transactions. Call 1-800-472-3272 to report the incident and request a replacement card.

Debit Card Activation

To activate a new debit card, call the activation number at 1-800-992-3808. A representative will guide you through the process.

Online Bill Pay Support

For questions related to online bill pay services, call 1-844-279-4644. The support team can assist you with setup, troubleshooting, and other inquiries.

Mobile Apps

First Missouri State Bank provides mobile banking apps for Android and iOS. Download the First Missouri State Bank app from the Google Play Store or the App Store to access services, locate ATMs or branches, and contact customer service directly. The app ensures secure access.

In-Person Visit

For face-to-face assistance or complex inquiries, visit a First Missouri State Bank branch. Locations and hours are available on their website.