Call 1-800-532-4221 - option 2
Mail your payment with policy number, policyholder's name, and the payment return card by regular mail to:
Foremost Insurance Group
PO Box 0915
Carol Stream, IL 60132-0915
and by overnight express mail to:
Foremost - Box #915
c/o Citibank Lockbox Operations
8430 W. Bryn Mawr Ave, 3rd Floor
Chicago, IL 60631
With your policy number handy, visit the Foremost home page, http://www.foremost.com/ and click "Make a Payment" on the top menubar, as seen below.