MainSource Bank was a community-focused financial institution headquartered in Greensburg, Indiana, which in May 2018.
If you are looking to access an old MainSource account or manage current banking needs, you should now use the services provided by First Financial Bank. Transitioning from MainSource to First Financial
The combined bank offers a full suite of personal and business products, including: mainsource*bank
: Former MainSource locations reopened as First Financial Bank branches on May 29, 2018.
: In 2018, First Financial Bancorp completed a merger with MainSource Financial Group. : In 2018, First Financial Bancorp completed a
: The routing number for the merged entity is 042200910 . Available Financial Services
: Contact support immediately at 833-347-7805 during business hours or 855-898-7288 after hours. : Checking and savings accounts, HELOCs with introductory
: Checking and savings accounts, HELOCs with introductory rates, and credit cards.