MCC Code
5541
Category
Service Stations (with or without Ancillary Services)
Reward Category
Gas
Confirmed by
PreSwipe team
Costco fuel stations code as 5541 and earn gas rewards; only Visa accepted at Costco locations
Best cards for Costco Gas Station
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 Station use?
Costco Gas Station uses MCC 5541 — Service Stations (with or without Ancillary Services). This is the four-digit Merchant Category Code assigned to Costco Gas Station by card networks and determines how your purchase is categorized for rewards.
Does Costco Gas Station count as service stations (with or without ancillary services) for credit card rewards?
Costco Gas Station does not code as you might expect. It uses MCC 5541 (Service Stations (with or without Ancillary Services)), 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 Station?
The best card depends on how Costco Gas Station codes. Since it uses MCC 5541 (Service Stations (with or without Ancillary Services)), look for cards that offer bonus rewards in that category. Check the card recommendations above for the top options.