31774 -- U.S. ZIP code Municipality (1990): OCILLA, Georgia All ZIPs for this municipality (1990): 31774 Population (2000): 6871 Housing Units (2000): 2819 Land area (2000): 159.949399 sq. miles (414.267024 sq. km) Water area (2000): 2.591954 sq. miles (6.713130 sq. km) Total area (2000): 162.541353 sq. miles (420.980154 sq. km) Located within: Georgia (GA) Location: 31.586426 N, 83.275832 W