30442 -- U.S. ZIP code Municipality (1990): MILLEN, Georgia All ZIPs for this municipality (1990): 30442 Population (2000): 7767 Housing Units (2000): 3519 Land area (2000): 306.344360 sq. miles (793.428217 sq. km) Water area (2000): 2.560654 sq. miles (6.632064 sq. km) Total area (2000): 308.905014 sq. miles (800.060281 sq. km) Located within: Georgia (GA) Location: 32.802448 N, 81.983817 W