31012 -- U.S. ZIP code Municipality (1990): CHESTER, Georgia All ZIPs for this municipality (1990): 31012 Population (2000): 2246 Housing Units (2000): 586 Land area (2000): 49.513061 sq. miles (128.238233 sq. km) Water area (2000): 0.126947 sq. miles (0.328791 sq. km) Total area (2000): 49.640008 sq. miles (128.567024 sq. km) Located within: Georgia (GA) Location: 32.396381 N, 83.168921 W