Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Visit the hotel Heritage Inn, which is in the state Oklahoma (OK), city Duncan. Our hotel can be found at 1515 S Highway 81, Duncan, OK 73533-3075. Great deals on best and cheap hotels. Your comments* (not for publishing) * — Required information Heritage Inn/1515 S Highway 81 - Duncan - Oklahoma (OK) ← View details 1515 S Highway 81, Duncan, OK 73533-3075, Duncan, Oklahoma (OK) Not available