MCC 3691
Dillon Inns
MCC 3691 is reserved for Dillon Inns. Card networks reserve codes 3500–3999 for individual hotel chains, so issuers can see exactly which company a payment went to.
Hotels without a reserved code use MCC 7011. Acquirers generally treat this category as standard risk, so onboarding is usually straightforward and pricing is standard.
Related categories include MCC 7011 for hotels and resorts. Nearby codes include MCC 3690 for Courtyard by Marriott and MCC 3692 for Doubletree Hotels.