31729 -- U.S. ZIP code Municipality (1990): CALVARY, Georgia All ZIPs for this municipality (1990): 31729 Population (2000): 66 Housing Units (2000): 33 Land area (2000): 0.271111 sq. miles (0.702173 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.271111 sq. miles (0.702173 sq. km) Located within: Georgia (GA) Location: 30.729915 N, 84.347627 W