Costco Credit Card Payment, Login, and Customer Service Information

The Costco Anywhere Visa credit card is issued by Citibank, and you will interact directly with Citi to pay your bill online or by mail, or to contact customer service when you need help. Below is the information you need to access any or all of those options:

If you want to pay your Costco credit card bill by mail, the payment mailing address is:

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

If you are having trouble making a payment or need other help with your Costco credit card, the customer service phone number to call is: 1-855-378-6467.