31797 -- U.S. ZIP code Municipality (1990): WHIGHAM, Georgia All ZIPs for this municipality (1990): 31797 Population (2000): 3701 Housing Units (2000): 1578 Land area (2000): 141.885781 sq. miles (367.482470 sq. km) Water area (2000): 0.437992 sq. miles (1.134394 sq. km) Total area (2000): 142.323773 sq. miles (368.616864 sq. km) Located within: Georgia (GA) Location: 30.888809 N, 84.329762 W