Use the same number ( 1-888-574-1301 ) to reach a representative. Live support hours are typically: Monday–Friday: 9 a.m. – 9 p.m. local time. Saturday: 8 a.m. – 8 p.m. local time. Sunday: 8 a.m. – 6 p.m. local time.

If you prefer not to pay by phone, you can use these official methods: Learn About the My Best Buy® Credit Card

(you will need the routing and account numbers). No fee is charged for using this automated system. Other Contact Options

When you call the Citibank automated system at , make sure you have the following ready: Your My Best Buy® Credit Card number .