Contact Us

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.  

Chat With Us

Account Assistance

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.  

Phone: 262-796-4500
To use Phone Banking, call 262-796-4500 and press 1  

Fax: 262-782-3422  

Fax (loan related documents): 262-796-5188

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

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

Overnight mail payments can be sent to:  
Landmark Credit Union  
555 South Executive Drive  
Brookfield, WI 53005  

Landmark Card Services

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

Activate Card  

Landmark Credit Union  
P.O. Box 2711  
Omaha, NE 68103-2711  
*Did you know you can pay your credit cards online with Digital Banking?  

Credit Card Fraud Disputes   
Call 262-796-4500 and press 6, then press 3  

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

Lost or Stolen Card  

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  

Phone: 844-783-9779  

Access details on your rewards through Digital Banking

Member Resources

  • Secure Message Center 

    You can ask account specific questions through our Secure Message Center within Digital Banking. (Just log in and click “Support.”) 
    Login to Digital Banking 
  • Additional Resources

    Access our library of helpful information and important documents.  
    Member Resources
  • Make an Appointment 

    Appointments are available in person, at your local branch or over the phone.  
    Schedule Appointment
Landmark member on his cell phone talking the mortgage department with questions on his new loan.

Mortgage Services

Mortgage Origination

Phone: 262-780-7133

Mortgage Servicing

Phone: 262-796-4500 x 6608

Email: [email protected]

Fax: 262-796-4525

Contact a Mortgage Loan Officer

Landmark Investment Center located at Landmark Credit Union

Landmark Investment Center

Phone: (262) 796-4515  

LPL Financial Service Center

Phone: (800) 558-7567  

Find a Consultant

Frequently Asked Questions

Did you move recently or change your name? Check out our FAQs and find the answers you need. 

View all FAQs
  • To change your name on your accounts, visit any of our branches. We will need proof of the name change such as your marriage certificate or new driver's license. You may also need to complete new signature cards. Alternatively, if you prefer, you can fax proof of the change along with a detailed written request bearing your signature. To obtain our fax number, please visit our contact us page.
  • You can visit any of our branches to complete the documents needed to add or remove a beneficiary from an account.

    You can schedule a branch appointment for "Specialized Services" to do this, but it isn't required.

    You can also mail a written request with the member's signature to our Helpdesk at:
    ATTN: Member Helpdesk
    Landmark Credit Union
    555 South Executive Drive
    Brookfield, WI 53005

    If you cannot remember who your current account beneficiary is, contact us.
  • There are several options to update your address:

    Update Your Address in Digital Banking

    • Log in to Digital Banking
    • Click "Settings & Support"
    • Click "Settings"
    • Click"Contact" and then click the pencil icon to update your address

    Update Your Address in the Mobile App

    • Log in to the mobile app , and tap the "More" icon in the bottom right corner
    • Tap "Settings"
    • Tap "Contact"
    • Tap "Edit address"
    • Tap "Save Address"

    Visit a Branch
    Visit one of our branches to complete a change of information form

    Send a Fax
    Send a signed, written request via fax to our Help Desk at 262-782-3422

    Mail Your Request
    Mail a signed written request to:

    Landmark Credit Union
    Attn: Help Desk
    P.O. Box 510870
    New Berlin, WI 53151-0870

  • Here are the different ways to find your Landmark account number:

    Digital Banking
    • Log in to Digital Banking
    • Click on an account from your dashboard or from "Account Details" under "Accounts" in the navigation
    • Once you are in an account, you will see the last four digits of your account number underneath the account name
    • Click the eye icon to reveal your full account number
    Mobile App
    • Log in to the mobile app
    • Tap on an account from your dashboard
    • Once you are in an account, click the "Show details" button in the upper-right corner
    • Tap the eye icon to reveal your full account number

    Member Statement (eDocuments or mailed)
    Your account numbers are listed on your monthly/quarterly member statements.

    Landmark Loan Billing Notice
    Your account number is listed on your billing notices.

    Your Printed Checks
    • Refer to the numbers across the bottom of the check
    • From left to right, locate the routing number, 275079714
    • Your account number will be the next set of digits to the right of the routing number
  • Visit any of our branch locations , or contact us for assistance with changing your direct deposit. You can also consult your employer's payroll department to see if they have their own direct deposit change forms.