Does the MCC affect card processing fees?

Yes. Interchange rates can depend on the merchant category. In Visa's US schedule, for example, supermarkets and other specific segments have their own rates, so a wrong MCC can make a merchant overpay or underpay.

How the MCC shapes the cost

• Interchange: in markets without a regulatory cap, schemes publish category-specific rates for segments such as supermarkets, fuel, travel or charities.
• Scheme fees and programs: some categories carry extra registration or monitoring fees, especially high-risk ones.
• Provider pricing: acquirers often price by risk, and the MCC is a key input.

Where it matters less

In the European Economic Area, consumer card interchange is capped, so the category has less effect on interchange for those cards. Commercial cards, cross-border transactions and scheme fees can still vary.

The risk of a wrong code

A lower-cost code that does not match the activity may look attractive, but it breaks scheme rules. If discovered, the acquirer can face fines and the merchant may be reclassified, with back charges in some cases. A code that is too high-risk, on the other hand, makes the merchant pay more than needed.

What it means for payment operators

For you, the MCC sits between your provider costs and the price you charge your merchants. Reconciliation that breaks down interchange by category, and analytics comparing costs per merchant, show where coding affects your margin.