Phone
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.
Fax
(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 Online Banking account.
Activate Card
1-800-472-3272 , Option 1
Landmark Rewards
(844) 783-9779
Investment Center
(262) 796-4515
LPL’s Service Center
(800) 558-7567
Mortgage
(262) 796-4500 ext. 6608
Mail
General
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
Official Website: landmarkcu.com