MCC 3691 covers DILLION INNS merchants, classified under airline. To maximize rewards at these businesses, look for credit cards with broad spending bonuses or airline category multipliers. MCC Lookup Tool to find which cards earn bonus rewards here.
Hotels like Marriott, Hilton, and Best Western use MCC 3691. Purchases for room rates, taxes, and resort fees at these hotels are coded here.
Cardholders often think this code covers all travel expenses, but it's specific to hotel stays. Car rentals or airline tickets won't be coded under 3691.
MCC 3691 stands for DILLION INNS. It is a four-digit Merchant Category Code used by payment networks to classify businesses in the airline category.
Merchants classified under MCC 3691 (DILLION INNS) operate in the airline sector. Card networks assign this code during merchant onboarding based on the primary business activity.
MCC 3691 (DILLION INNS) is not currently a dedicated bonus category for most major credit cards. For airline spending at these merchants, a flat-rate rewards card (1.5–2% on all purchases) is typically your most reliable option. Use our MCC Lookup Tool to find the best card for any specific merchant.
Currently, no credit cards in our database have a dedicated bonus category for MCC 3691 (DILLION INNS). Most purchases posting with this code will earn base rewards (typically 1–1.5x on everyday cards). A flat-rate cashback card is the most predictable choice for airline spending.
MCC 3691 is assigned to businesses providing dillion inns services. While this is a less common merchant category, any purchase that posts with code 3691 will be classified as 'DILLION INNS' by your card issuer, which determines whether airline category bonuses apply to that transaction.
MCC 3691 (DILLION INNS) and MCC 3000 (UNITED AIRLINES) are both in the airline category but cover distinct merchant types. MCC 3691 is used for dillion inns businesses, while MCC 3000 is assigned to united airlines merchants. Both may qualify for the same bonus category on your card — check your card's terms or use our MCC Lookup Tool to confirm.