Formerly known as The Black-Elliott Block, The Downtown Exchange is a historic commercial building in downtown Zanesville, Ohio. Located along Main Street near the Muskingum County Courthouse it was built in 1876 in the Italianate style of architecture. The partnership of Henry Elliott and Peter Black arranged for the construction of the building; it was one of several significant downtown buildings for which the pair was responsible, along with such important structures as the Clarendon Hotel.