Contact MMB
BUILDING and MAILING ADDRESS
General MMB Information
- Hours: 8 a.m. to 4:30 p.m. (Monday through Friday)
- Phone: 651-201-8000
- Email: info.mmb@state.mn.us
- Website feedback or technical assistance: website.mmb@state.mn.us
- Accessibility feedback, information, comments, or assistance: accessibility.mmb@state.mn.us
Treasury Window
Warrant (check) cashing- Hours: 9 a.m. to noon and 2 to 3:30 p.m. Monday through Friday
- Phone: 651-259-3769
If your state agency requires MMB employee assistance with its deposits, employees are available during the following hours of operation:
- Hours: 9 a.m. to noon and 2 to 3:30 p.m. Monday through Friday
- Phone: 651-259-3769
Vendor Payments
👥 Live Agent Support (EFT Help Line): 9:00 AM – 3:00 PM CT, Monday to Friday
- Phone Number: 651-201-8106
🖥️ Email Support Help Desk Hours: 7:30 AM – 4:00 PM CT, Monday to Friday
- Email: Efthelpline.MMB@state.mn.us