Zip Code 30281 Description. Zip Code 30281 is located in the state of Georgia in the Atlanta metro area. Zip code 30281 is primarily located in Henry County. Portions of 30281 are also located in Rockdale County. The official US Postal Service name for 30281 is STOCKBRIDGE, Georgia. Portions of zip code 30281 are contained within or border the city limits of Stockbridge, GA, . Zip code 30281 is within area code 678 and area code 770.