Merchant category codes (MCCs) are used to group businesses by the kind of goods or services they provide. For example, jewelry stores, dentists, hotels, and pet groomers would all have different merchant category codes.
Each WooPayments account can only have a single MCC, chosen during signup.
If you need to change your MCC (for example, in order to accept HSA or FSA cards, please contact our support staff for assistance with this.