Please contact a personal banker at your local MBT office to sign up for online banking at:

Forest City 641-585-2825
Crystal Lake 641-565-3231
Clear Lake 641-357-6161
Lake Mills 641-592-0041

or send an email to mbtcustserv@mbtbank.com stating you would like to enroll in online banking, and an MBT employee will contact you for additional information.

If you send an e-mail to us, please remember that e-mail is not secure from interception. If your e-mail contains information that is very sensitive or includes personal information such as account numbers, debit/credit card numbers, or your Social Security number, you may wish to consider sending this information to us in another way. Just send us generic information such as your name and address. MBT will then contact you using your phone number that we have on file.