The primary customer service phone number for the is 1-888-574-1301 . This line, managed by Citibank , is available for inquiries regarding account balances, bill payments, and application status. Essential Contact Numbers Standard Customer Service : 1-888-574-1301

: 1-423-467-6543 (Call collect from outside the U.S., Canada, and Puerto Rico).

The My Best Buy® Credit Card - Sign On portal also offers 24/7 self-service for payments and statements.