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  • Our thoughts and prayers are with the community of Sun Prairie. If you’d like to help, you can donate to the Sun Prairie Disaster Relief Fund at any Summit Credit Union branch location. Donations collected will be given to Sunshine Place​ to fund supplies and support displaced families.

Contact Us

Contact Center:
Toll-free: (800) 236-5560
Local: (608) 243-5000
7:30 am–6:00 pm Mon–Fri
8:30 am–12:00 pm Sat
Lost/Stolen debit card:
or (800) 236-5560
24 Hours a day
Loan Inquiries:
608-243-5000 or
800-236-5560 option 1
Loan fax: (608) 243-5025
9:00 am–5:00 pm Mon–Fri
Debit and credit card support:
(800) 236-5560
24 Hours a day
Teller Phone:
Toll-free: (800) 236-0985
Local: (608) 245-5698
24 Hours a day
Frequently Asked Questions
 

 

Member Support Center

Need to reorder checks, looking for deposit slips or other forms to print and submit? Find them in our Member Support Center!
 

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 secure message. If you have a general question or would like to send feedback, send us an email at MemberService@SummitCreditUnion.com.

For your security, please do not send personal or sensitive information when using email links. 

Schedule an Appointment
Connect With A Mortgage Loan officer
Connect with a Business Development Officer
Connect with a Summit Financial Advisor

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