MCC Code
5541
Category
Service Stations
Reward Category
Gas
Confirmed by
PreSwipe team
Costco gas station codes as 5541 gas but you must use Costco Anywhere Visa for max rewards. Other cards get base rate.
Best cards for Costco Gas
Costco Anywhere Visa
4% back on gas stations
4% back
Chase Sapphire Reserve
3x UR on travel
3x UR
Wells Fargo Autograph
3x pts on gas
3x pts
Marriott Bonvoy Boundless
3x pts on gas
3x pts
BofA Premium Rewards
2x pts on travel
2x pts
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Search PreSwipe →Frequently asked questions
What MCC code does Costco Gas use?
Costco Gas uses MCC 5541 — Service Stations. This is the four-digit Merchant Category Code assigned to Costco Gas by card networks and determines how your purchase is categorized for rewards.
Does Costco Gas count as service stations for credit card rewards?
Costco Gas does not code as you might expect. It uses MCC 5541 (Service Stations), which may not trigger the bonus category you're hoping for. Always check your card's terms.
Which credit card earns the most rewards at Costco Gas?
The best card depends on how Costco Gas codes. Since it uses MCC 5541 (Service Stations), look for cards that offer bonus rewards in that category. Check the card recommendations above for the top options.