Richland, MS 39218 *Note: If you enter the address in your GPS it is likely not correct. Using one of the links below should provide you with the correct position. Our facility is located on the NORTHBOUND SIDE of Hwy 49 South. Our building is just north of Richland High School, McDonalds and the MEA Clinic and just south of the shopping center that houses Mazzios and McAlisters.