31557 -- U.S. ZIP code Municipality (1990): PATTERSON, Georgia All ZIPs for this municipality (1990): 31557 Population (2000): 2822 Housing Units (2000): 1266 Land area (2000): 113.866092 sq. miles (294.911813 sq. km) Water area (2000): 0.264194 sq. miles (0.684259 sq. km) Total area (2000): 114.130286 sq. miles (295.596072 sq. km) Located within: Georgia (GA) Location: 31.372403 N, 82.107439 W