30421 -- U.S. ZIP code Municipality (1990): COLLINS, Georgia All ZIPs for this municipality (1990): 30421 Population (2000): 2684 Housing Units (2000): 1337 Land area (2000): 92.828705 sq. miles (240.425231 sq. km) Water area (2000): 0.361500 sq. miles (0.936280 sq. km) Total area (2000): 93.190205 sq. miles (241.361511 sq. km) Located within: Georgia (GA) Location: 32.186824 N, 82.106994 W