Declined Purchases

Experiencing issues with your GCCU MasterCard debit card, but you have available funds?

If we detect unusual activity on your card, we may suspect fraud and decline your transactions or block your card from being used. Prevent your card from being declined or blocked while traveling by setting a travel notification. If you experience issues with your card being declined or blocked while traveling, please contact Card Member Security at 1-888-241-2440.

Travel Notifications