Personal
Credit Card
Be alert for fraud and report it!
Please manage your credit wisely!
National Grand Bank Mastercard/American Express
Click the links below and/or scroll down the page to obtain important details.
- Important Phone Numbers below (fraud, lost card, activate)
- Online Account Access
Important Card-Related Phone Numbers:
Report Lost/Stolen Card or Card Fraud:
- Mastercard/American Express:
- 1-800-558-3424 Consumer Card
- 1-866-552-8855 Business Card
Card Activation:
- Mastercard/American Express: 1-800-553-7650
24/7 Credit Card Support:
- Mastercard/American Express (Phone):
- 1-800-558-3424 Consumer Card
- 1-866-552-8855 Business Card
- Mastercard/American Express (Fax):
- 1-866-616-1750 Consumer Card
- 1-866-807-9053 Business Card
24/7 Credit Counseling Line:
- 1-888-631-1776