The business version of the Costco card: strong gas, dining and travel rewards with no fee beyond membership.
Rates, fees and offers
- Regular APR
- Variable APR; see Citi's rates and terms.
- Annual fee
- $0
- Promo offers
- None currently advertised
- Balance transfer fee
- See Citi rates and terms
- Rewards
- 5% cash back on gas at Costco; 4% on other eligible gas and EV charging (first $7,000 a year, then 1%); 3% on restaurants and eligible travel; 2% at Costco; 1% everything else. Costco membership required.
Checked September 26, 2026. Offers and rates change often, and your APR depends on your credit. See the issuer’s current terms ↗
Notes
Rewards arrive once a year as a certificate redeemable at Costco. A business card: you are usually personally liable, and some consumer protections (like the CARD Act's rate-increase rules) may not apply.
Paying and contacting Citi
- Pay online
- online.citi.com
- Customer service
- 1-800-842-6596 · 24/7 (lost/stolen line)
- Lost, stolen or fraud
- 1-800-950-5114
- Pay by mail
-
The issuer doesn’t publish one address for everyone. Use the payment address printed on your statement.
- Billing disputes
- Citi Cards
P.O. Box 6500
Sioux Falls, SD 57117
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