• Bank Name:MainSource Bank
  • Bank Class:Federal Reserve Non-Member Bank
  • Member FDIC:Certificate #5766
  • Routing Number:N/A
  • locations:87 Branches in 4 states
  • Web Address:
Headquarters:201 North Broadway, Greensburg, Indiana 47240


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MainSource Bank was founded in January 1904 and is based in Greensburg, Indiana. The bank operates as a subsidiary of Mainsource Financial Group, Inc.. According to the FDIC and based on the institution's charter type, MainSource Bank is classified as a commercial bank, state charter and Fed nonmember, supervised by the FDIC. MainSource Bank is a FDIC-insured bank with certificate number of 5766. The Fed RSSD ID of MainSource Bank is 623445.

MainSource Bank currently operates with 87 branches located in 4 states. The bank has most branches in Indiana, Ohio, Kentucky and Illinois. As of today, MainSource Bank is the 94th largest bank in US by branch count. MainSource Bank is the 7th largest bank in Indiana with 61 branches; 32nd in Ohio with 17 branches, 69th in Kentucky with 5 branches and 167th in Illinois with 4 branches.

Bank routing number is a 9 digit code which is necessary to process Fedwire funds transfers, process direct deposits, bill payments, and other such automated transfers. We currently do not have a routing number for MainSource Bank in our database.

The full address of bank headquarters is 201 North Broadway, Greensburg, IN 47240. You can visit the official website of the bank at for more information and online banking service if available. For a list of all MainSource Bank branches and detailed branch information like hours of operation, phone number and address; please refine your search by selecting a state from the map or list below.


Below is a list of some important events in banks history, including mergers and acquisitions.

Jan 01, 1904Institution established: Original name: Arlington State Bank

May 01, 1989Acquired People's Trust Company (5767) in Brookville, IN

May 01, 1989Acquired People's Trust Company (8048) in Versailles, IN

May 01, 1989Acquired The First National Bank of Vevay (4414) in Vevay, IN

Jan 24, 1992Moved bank headquarters from Arlington, In to Brookville, IN

View 16 More Events in Banks History …


Ann G Broering · 27 July 2017
★★★★★ Branch review: Brookville Branch

Awesome bank wonderful service... Read more

Easily submit your review, comment or complaint about MainSource Bank using your Facebook profile.

4.5 / 5
  • Rating 4.50/

Bank rating displayed here is the average value for all MainSource Bank branches. A total of 4 customers had cast their vote for 87 branches and in average, MainSource Bank got a score of 4.5 out of 5 stars. The bank has 1 reviews or customer complaints filed.

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