30662 -- U.S. ZIP code Municipality (1990): ROYSTON, Georgia All ZIPs for this municipality (1990): 30662 Population (2000): 8122 Housing Units (2000): 3525 Land area (2000): 89.219549 sq. miles (231.077562 sq. km) Water area (2000): 0.040652 sq. miles (0.105289 sq. km) Total area (2000): 89.260201 sq. miles (231.182851 sq. km) Located within: Georgia (GA) Location: 34.270167 N, 83.128424 W