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Contact Us

How can we help you today?

For Our Members

message center

Secure Message Center

You can ask account specific questions through our Secure Message Center within Digital Banking. (Just log in and click “support.”)

Log in

message center

Additional Resources

Access helpful information and important documents.

Member Resources

Make an Appointment

Appointments are available in person at our branches or over the phone. Please note that appointments are currently unavailable for mortgage services.

Schedule Appointment


Member Service Center

(262) 796-4500

Member Service Hours
Mon - Wed: 8:30 a.m. to 5:30 p.m.
Thur - Fri: 8:30 a.m. to 7:00 p.m.
Sat: 8:30 a.m. to 12:30 p.m.

(262) 782-3422
(262) 796-5188 (loan related documents)

Credit Cards

Lost or Stolen Card
(866) 952-8199
(855) 340-8778 (Cash Back Cards only)

Activate Card
(855) 251-1283

Debit Cards

Lost or Stolen Card
(800) 472-3272
You can also report a lost or stolen debit card in the secure message center within your Digital Banking account.

Activate Card
(262) 796-4500, Option 3, 1

Landmark Rewards

(844) 783-9779

Investment Center

(262) 796-4515

LPL’s Service Center
(800) 558-7567

Contact a Financial Consultant


(262) 796-4500 ext. 6608

Contact a Mortgage Loan Officer



Landmark Credit Union
P.O. Box 510870
New Berlin, WI 53151-0870

Credit Card Payments

Landmark Credit Union
P.O. Box 2711
Omaha, NE 68103-2711

Credit Card Fraud Disputes

P.O. Box 183258
Columbus, OH 43218-3258

Loan Payments

Landmark Credit Union
P.O. Box 510910
New Berlin, WI 53151-0910

Overnight mail payments can be made to:
Landmark Credit Union
555 S. Executive Dr
Brookfield, WI 53005

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