doxo enables secure bill payment on your behalf and is not an affiliate of or endorsed by Costco Card. Pay with your Visa, MasterCard, or Discover credit card or debit card, with Apple Pay, or with your bank account.
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Pay Your Bills Securely with doxo

  • State-of-the-art security
  • Free mobile app available on Google Play & Apple App Store
  • Never miss a due date with reminders and scheduled payments
  • Real-time tracking and bill history
  • Pay thousands of billers directly from your phone

doxo is a secure all-in-one service to organize all your provider accounts in a single app, enabling reliable payment delivery to thousands of billers. doxo is not an affiliate of Costco Card. Logos and other trademarks within this site are the property of their respective owners. No endorsement has been given nor is implied. Learn about doxo and how we protect users' payments .

Contacting Costco Card

Options for reaching Costco Card customer service. See something wrong? Suggest an update

General information about Costco Card


Services : Membership , Credit Card
Industry Groups : Subscriptions & Memberships , Loans & Credit Cards
Service Area : National

Frequently Asked Questions

Common questions, curated and answered by doxo, about paying Costco Card bills.

How can I pay my Costco Card bill?

You can pay them directly at this website. Or pay on doxo with credit card, debit card, Apple Pay or bank account.

I have a question about my Costco Card bill. Who should I contact?

Make billing inquiries directly by phone at 425-313-8100.

I forgot my account balance. Where can I find my bill?

Visit Costco Card to access your bill.

What types of Costco Card payments does doxo process?

doxo processes payments for all Costco Card services, including Membership and Credit Card.