Contact Us

Click here to get locations and phone numbers for each of our branch offices

Send an email to

To reach MCU On-Call Dial 877-699-6328 or 828-456-6474


24/7 Emergency Credit & Debit Card Phone Numbers 

Click Here For A Copy Of Our 24/7 Resource Guide

MasterCard Debit Card Services & Maintenance

After Hours Lost/Stolen:

Real Time PIN Change/Pick a PIN:  800-290-7893

International:  206-624-7998

MasterCard Secure Code
Transaction Assistance Line: Within the United States: 1.888.526.0404, International callers: 206.352.4954

MyCardRules is an app that adds extra security to your Mountain Credit Union MasterCard Debit Card.  You can freeze the card when you're not using it - unfreeze it when you need it!  Get alerts each time your card is used.  Go to the App Store on your phone and search for MyCardRules to download this important app! 

BillPay Support Line

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