You will likely need to provide the last four digits of your Social Security Number or your full 16-digit card number to verify your identity .

Online: Check your balance, view your statements, make a payment and more. at 1-888-574-1301. Call Citibank at 1-888-574-1301. My Best Buy® Credit Card: Register Your Card - Citi.com

You can often say "skip" to move past automated account summaries and get to a live agent faster .

Quickly hear your current balance and recent transaction history . Card Management

New or replacement cards can be activated by following the phone prompts .

Do you need the for sending a physical check for your payment? Learn About the My Best Buy® Credit Card

Most of these tasks can also be handled through the Citibank Account Online portal or the Best Buy App .

Report a missing card immediately to have it canceled and a replacement sent .