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Contact Us

Mailing Address:

All correspondence including payments must be mailed to address below

Frankenmuth Credit Union
P.O. Box 209
Frankenmuth, MI 48734

You Can Now Text Us for Support!

Text 989-497-1600 for support. Standard text message rates may apply.


Call Center  (email is not secure, please refrain from sending FCU personal non-public information via email.)

Phone Numbers:

Phone: (989) 497-1600

Toll Free: (800) 221-8880
Fax: (989) 497-1659

CU Talk - 24 Hr Phone Banking System: (844) 776-9164


  • Lost or Stolen Frankenmuth Credit Union Credit Card? Call 1.800.991.4961
  • Lost or Stolen Frankenmuth Credit Union Debit Card? Call 1.888.241.2510 (inside U.S.) or 1.909.941.1398 (outside U.S.)
  • Blocked Credit Card Transaction?  Call 1.888.241.2440
  • Blocked Debit Card Transaction?  Call 1.888.241.2440

Activate Debit Card-Change PIN

  • Call or text us at 989-497-1600 to activate debit card-change PIN

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