MCC 3731 covers HARRAH’S HOTELS AND CASINOS 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.
Harrah's, Caesar's Entertainment, and MGM Resorts use MCC 3731. This code applies to hotel stays, casino gaming expenses, and resort fees.
Cardholders often think dining and shopping at casinos fall under this category but they usually have separate MCC codes.
MCC 3731 stands for HARRAH’S HOTELS AND CASINOS. It is a four-digit Merchant Category Code used by payment networks to classify businesses in the airline category.
Merchants classified under MCC 3731 (HARRAH’S HOTELS AND CASINOS) operate in the airline sector. Card networks assign this code during merchant onboarding based on the primary business activity.
MCC 3731 (HARRAH’S HOTELS AND CASINOS) 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 3731 (HARRAH’S HOTELS AND CASINOS). 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 3731 is assigned to businesses providing harrah’s hotels and casinos services. While this is a less common merchant category, any purchase that posts with code 3731 will be classified as 'HARRAH’S HOTELS AND CASINOS' by your card issuer, which determines whether airline category bonuses apply to that transaction.
MCC 3731 (HARRAH’S HOTELS AND CASINOS) and MCC 3000 (UNITED AIRLINES) are both in the airline category but cover distinct merchant types. MCC 3731 is used for harrah’s hotels and casinos 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.