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Online and Mobile Banking Access

Yes. App version 3.34.1 or higher requires iOS 17.0 or newer on iPhone and iPad. App version 3.34.0 or higher requires Android 9 (API Level 28) or newer on Android phones and tablets. The app will not open on devices running older operating systems. Devices must have access to the internet.

Yes, you will use the same user ID and password that you use to log in to online banking.

Two-Factor authentication uses a unique one-time access code to verify identity and log on to mobile banking. If you are unable to receive text (SMS) messages, you can choose to receive your access code via a phone call.

  1. On the verification code screen click Try another way located beneath the Verify button

  2. Select Phone Call and click Next

  3. You will receive an automated phone call that will provide your access code (Have a pen and paper ready)

  4. Return to the verification code screen

  5. Enter your access code and click Verify

  6. If you are still having trouble, contact the credit union to ensure we have the correct phone number on file.

If you are an existing mobile app user, you will automatically be prompted to download the new app. Or, simply search for Mainstreet Credit Union within the App Store or Google Play.

  • Enter your existing Username and Password to sign in

  • Enter your email address and a phone number where you can receive a phone call to obtain a verification code.

  • Enter the verification code received and click “Verify.”

  • Review the User Agreement and click “Accept.”

  • You will be taken to new dashboard to begin your new mobile banking experience.

NOTE: It may take some time for balances to fill in after logging in the first time. If you see a $0 balance, please log out and log back in.

If you are a NEW mobile app user, search for Mainstreet Credit Union within the App Store or Google Play. You will need your member number and social security number.

  • Create a Username and Password to sign in

  • Enter your email address and a phone number where you can receive a verification code.

  • Enter the verification code received and click “Verify.”

  • Review the User Agreement and click “Accept.”

You will be taken to the dashboard to begin.

Download the new mobile banking app from the App Store or Google Play.

Remove the old app: Be sure to delete the MCU Mobile app icon.

To reach the OnlineAccess login page:

  • Visit the OnlineAccess portal

  • Sign in using the green box in the upper left-hand section of our homepage

If you have not enrolled in OnlineAccess, select Enroll on the OnlineAccess login page to get started.

You will automatically be signed out once you swipe or close the app. Each time you access your app, you will be required to enter your passcode, use your fingerprint or utilize the facial recognition feature in order to log in again.

There are no fees to download and use mobile app; however, connectivity and usage rates may apply. Contact your wireless service provider for more details.

If you are experiencing difficulties logging on, contact the Member Assistance Center:

  • 913-599-1010

  • (888) 395-1010 toll-free

8 AM – 6 PM CDT, Monday – Friday

9 AM – 1 PM CDT, Saturday

If you cannot remember your Personal Access Code, contact the Member Assistance Center at 913-599-1010.

Yes, you can easily reset your login credentials by clicking on the 'Forgot?' link on the mobile app.

An email and a phone number are required for the two-step authentication. The one-time access code will be sent via text or phone call. The phone number must match our records for the additional security layer to work correctly.

As a security measure, access to your account is locked after a limited number of unsuccessful login attempts. Further attempts to login will fail, displaying the above message.

To reset your password and unlock your account, contact the Member Assistance Center.

913-599-1010
(888) 395-1010 toll-free

8 AM – 6 PM, CDT Monday thru Friday
9 AM – 1 PM, CDT Saturdays

No. Check the “Don’t ask for codes again on this computer” box if you do not want to receive a confirmation code or phone call each time you log in. If you prefer to input a confirmation code with each use, you can leave the box unchecked or use the 2-Factor Authentication app to deliver the code.

NOTE: If your browser is set to clear cookies every time, then clicking the button will not help. If you ever want to remove a device and reset your security settings, you can change them in settings once logged in to mobile banking.

This error is present during the enrollment process or when updating credentials. Click on Show Rules below the username and password field to see the credential requirements.

This error is present during the enrollment process and means that the phone number you entered does not match the phone number we have on file. If you have an alternative phone number, you can try again. If you would like to update your phone number in our system or need other assistance, please contact us.

This error is present during the log in process and typically means that our records show that you have previously created an account with us. If you forgot your username and password, on the log in page click Forgot? Follow the steps to recover your account.

This error is present during the log in process and typically means that your account information does not match our records. Please contact us via phone to confirm we have the correct phone number and username on record.

I'm not able to log in to online banking when I click on the login button…

Often this is resolved by clearing your cache in Chrome to remove all cookies. If you need further assistance, please contact us.

This error is present during the log in process and typically means that your credentials didn't match our records. Try entering your credentials one more time. If the error persists, please contact us via phone for further assistance.

This error is present during the log in process and typically means that your account has been locked. This can happen for a variety of reasons but is easily resolved. Please contact us via phone for assistance unlocking your account.

Mainstreet Credit Union is dedicated to supporting our members' financial journeys with trusted local services in Kansas City, MO and Kansas.

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