Costco Credit Card Login, Payment, Customer Service

Updated November 12, 2018 – Below you’ll find the key information you need as a Costco Anywhere Visa credit card holder to access your account online, make payments, and reach customer service for further assistance. (Note that the Costco Visa credit card is issued by Citibank; you will make payments and receive customer service from Citi.)

Online Account Access

Customer Service – Help & Pay By Phone

  • The Costco credit card / Citibank phone number to call is: 1-855-378-6467.

Credit Card Payment Address

Costco Anywhere Visa
P.O. Box 78019
Phoenix, AZ 85062-8019