31419 -- U.S. ZIP code Municipality (1990): M M, Georgia All ZIPs for this municipality (1990): 31419 Population (2000): 40935 Housing Units (2000): 17220 Land area (2000): 136.916649 sq. miles (354.612477 sq. km) Water area (2000): 1.589987 sq. miles (4.118047 sq. km) Total area (2000): 138.506636 sq. miles (358.730524 sq. km) Located within: Georgia (GA) Location: 31.986249 N, 81.202593 W