Zirconia is an unincorporated community in Henderson County, North Carolina, United States. Zirconia is located on North Carolina Highway 225, 5.9 miles (9.5 km) south-southeast of Hendersonville. Zirconia has a post office with ZIP code 28790, which opened on June 9, 1853.[2][3] The community was named for the valuable deposits of zircon in the area.[4]