31064 -- U.S. ZIP code Municipality (1990): MONTICELLO, Georgia All ZIPs for this municipality (1990): 31064 Population (2000): 7964 Housing Units (2000): 3403 Land area (2000): 243.619426 sq. miles (630.971391 sq. km) Water area (2000): 1.463662 sq. miles (3.790868 sq. km) Total area (2000): 245.083088 sq. miles (634.762259 sq. km) Located within: Georgia (GA) Location: 33.319093 N, 83.708623 W