What are the Olmsted Falls, Ohio Zip Codes for 2020, 2019Primary Zip Codes for Olmsted FallsZip CodePrimary CitySecondary City44138Olmsted FallsOlmsted Falls, Olmsted Twp, ClevelandCities sharing Zip Codes with Olmsted FallsZip CodePrimary CitySecondary CityMore Information44138Olmsted FallsOlmsted Twp44138Olmsted FallsCleveland Cleveland population stats Advertisements