30248 -- U.S. ZIP code Municipality (1990): LOCUST GROVE, Georgia All ZIPs for this municipality (1990): 30248 Population (2000): 11151 Housing Units (2000): 3881 Land area (2000): 65.380773 sq. miles (169.335417 sq. km) Water area (2000): 0.118143 sq. miles (0.305990 sq. km) Total area (2000): 65.498916 sq. miles (169.641407 sq. km) Located within: Georgia (GA) Location: 33.351277 N, 84.106450 W