MCC 3138 covers SIMMONS AIRLINES 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.
Delta Airlines, American Airlines, and Southwest Airlines use MCC 3138. This code applies to all flight tickets and related fees.
Cardholders often误以为MCC 3138仅用于机票购买，实际上它也涵盖航空公司提供的其他服务费用。
MCC 3138 stands for SIMMONS AIRLINES. It is a four-digit Merchant Category Code used by payment networks to classify businesses in the airline category.
Merchants classified under MCC 3138 (SIMMONS AIRLINES) operate in the airline sector. Card networks assign this code during merchant onboarding based on the primary business activity.
MCC 3138 (SIMMONS AIRLINES) 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 3138 (SIMMONS AIRLINES). 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 3138 is assigned to businesses providing simmons airlines services. While this is a less common merchant category, any purchase that posts with code 3138 will be classified as 'SIMMONS AIRLINES' by your card issuer, which determines whether airline category bonuses apply to that transaction.
MCC 3138 (SIMMONS AIRLINES) and MCC 3000 (UNITED AIRLINES) are both in the airline category but cover distinct merchant types. MCC 3138 is used for simmons airlines 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.