Fowler is an unincorporated community in central Fowler Township, Trumbull County, Ohio, United States. Although it is unincorporated, it has a post office, with the ZIP code of 44418. It lies at the intersection of State Routes 193 and 305.The community is part of the Youngstown–Warren–Boardman, OH-PA Metropolitan Statistical Area.A post office called Fowler has been in operation since 1826. The community takes its name from Fowler Township.