For more information: https://www.2checkout.com/ecommerce-resources What is a Merchant Classification Code( MCC )? A 4-digit code designated by a charge card business that lists the item, service, or industry of a merchant. How Does a Merchant Category Code Work? A merchant classification code is very first appointed by a credit card company, such as Visa or MasterCard, to a merchant once it begins to accept one those companies’ charge card. If a merchant is associated with more than one type of business, than the Merchant Classification Code will apply to that merchant’s primary line of work. Source
