31092 -- U.S. ZIP code Municipality (1990): VIENNA, Georgia All ZIPs for this municipality (1990): 31092 Population (2000): 5680 Housing Units (2000): 2433 Land area (2000): 183.924503 sq. miles (476.362256 sq. km) Water area (2000): 0.483359 sq. miles (1.251894 sq. km) Total area (2000): 184.407862 sq. miles (477.614150 sq. km) Located within: Georgia (GA) Location: 32.091578 N, 83.793114 W