31639 -- U.S. ZIP code Municipality (1990): NASHVILLE, Georgia All ZIPs for this municipality (1990): 31639 Population (2000): 9502 Housing Units (2000): 4165 Land area (2000): 202.950182 sq. miles (525.638535 sq. km) Water area (2000): 2.521852 sq. miles (6.531566 sq. km) Total area (2000): 205.472034 sq. miles (532.170101 sq. km) Located within: Georgia (GA) Location: 31.199000 N, 83.218802 W