Contact us
If you have questions about the MOST 529 Education Plan, you can reach our education savings specialists by phone, email, or mail.
Phone
888-414-MOST (888-414-6678)
Monday through Friday
7 a.m. to 8 p.m., Central time
Please note, we are unable to provide account-specific information or process monetary or clerical transactions via email. For assistance with these items, please log in to your account or call 888-414-MOST (888-414-6678). For your protection, please do not include your account number or any personally identifiable information in your email, as this is not a secure channel. [You may review other ways to safeguard your own information by clicking the Security link at the bottom of this page.]
U.S. mail
MOST—Missouri's 529 Education Plan
P.O. Box 219212
Kansas City, MO 64121-9212
Registered, certified, or overnight mail
MOST—Missouri's 529 Education Plan
1001 E 101st Terrace, Suite 200
Kansas City, MO 64131
For Missouri employers
Interested in finding out more about what MOST 529 can offer you and your employees? Fill out our Employer Online Request Form and a MOST 529 representative will contact you.
Complete the Employer Online Request Form
Contacting the Missouri State Treasurer's Office
The MOST 529 Education Plan is sponsored by the Missouri State Treasurer's Office. If you'd like to get in touch with the office, visit their website for contact information.