Contact Us

Contact Center:

Toll-free: (800) 236-5560
Local: (608) 243-5000

Hours:
7:30 am–6:00 pm Mon–Fri
8:30 am–12:00 pm Sat

Loan fax: (608) 243-5025

For 24 hour automated account access:
Teller Phone toll-free
:
(800) 236-0985
Teller Phone local:
(608) 245-5698

Mortgage inquiries:
608-243-5000 or 800-236-5560 option 2

Secured Messaging and Email

if you have specific questions about your account, please log into Online Branch and use the Message feature to send us a secured message.

If you have a general question or would like to send feedback, send us an email at MemberService@SummitCreditUnion.com 
Do not send personal or sensitive information when using email links.

Mailing Address

Correspondence, deposits, and other physical mail

For regular mail, please use Summit's general mailing address:

PO Box 8046
Madison, WI 53708-8046

For overnight envelopes, please use the Summit headquarter's physical address (unless your recipient specifies otherwise):

4800 American Parkway
Madison, WI 53718