30621 -- U.S. ZIP code Municipality (1990): BISHOP, Georgia All ZIPs for this municipality (1990): 30621 Population (2000): 3226 Housing Units (2000): 1205 Land area (2000): 45.388139 sq. miles (117.554736 sq. km) Water area (2000): 0.087147 sq. miles (0.225709 sq. km) Total area (2000): 45.475286 sq. miles (117.780445 sq. km) Located within: Georgia (GA) Location: 33.804849 N, 83.481647 W