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1st Source Bank has banking centers in, and primarily serves, the communities of northern Indiana, southwest Michigan, and Sarasota, Florida. See details here.

1st Source Bank has grown over 150 years into one of the largest banks in northern Indiana & southwestern Michigan by offering helpful personal service, great mobile & online tech, and local community support.

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Get award-winning customer service from local bankers who are on your side. Our mission is to put you first with genuine straight talk and sound advice.

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Access your accounts from any device, either online or with our highly-rated mobile app. We have all the technology you need.

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Join a bank that actively gives back to your community through extensive volunteering, donations, and local decision-making.

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Additional Information & Restrictions - Accounts are subject to approval. 1st Source Bank serves the communities of northern Indiana, southwest Michigan, and Sarasota, Florida and has banking centers in those areas. A list of our banking centers is available here. You may open an account if you you are outside of these areas, but we will not have banking centers convenient to serve you. 1st Source Bank reserves the right to withdraw or modify account opening requirements at any time.