31771 -- U.S. ZIP code Municipality (1990): NORMAN PARK, Georgia All ZIPs for this municipality (1990): 31771 Population (2000): 4623 Housing Units (2000): 1789 Land area (2000): 105.063464 sq. miles (272.113110 sq. km) Water area (2000): 0.746124 sq. miles (1.932453 sq. km) Total area (2000): 105.809588 sq. miles (274.045563 sq. km) Located within: Georgia (GA) Location: 31.256287 N, 83.660058 W