MCC 3233 covers CAPITOL AIR 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.
Purchases at airlines like Delta, United, and American Airlines are coded under MCC 3233. This includes flights, upgrades, and related travel expenses.
Cardholders often误以为所有与旅行相关的费用都会被归类到这里，但实际上只有航空公司的直接支出会被编码为MCC 3233。
MCC 3233 stands for CAPITOL AIR. It is a four-digit Merchant Category Code used by payment networks to classify businesses in the airline category.
Merchants classified under MCC 3233 (CAPITOL AIR) operate in the airline sector. Card networks assign this code during merchant onboarding based on the primary business activity.
MCC 3233 (CAPITOL AIR) 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 3233 (CAPITOL AIR). 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 3233 is assigned to businesses providing capitol air services. While this is a less common merchant category, any purchase that posts with code 3233 will be classified as 'CAPITOL AIR' by your card issuer, which determines whether airline category bonuses apply to that transaction.
MCC 3233 (CAPITOL AIR) and MCC 3000 (UNITED AIRLINES) are both in the airline category but cover distinct merchant types. MCC 3233 is used for capitol air 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.