30565 -- U.S. ZIP code Municipality (1990): NICHOLSON, Georgia All ZIPs for this municipality (1990): 30565 Population (2000): 3750 Housing Units (2000): 1432 Land area (2000): 29.213177 sq. miles (75.661778 sq. km) Water area (2000): 0.047731 sq. miles (0.123623 sq. km) Total area (2000): 29.260908 sq. miles (75.785401 sq. km) Located within: Georgia (GA) Location: 34.094345 N, 83.416173 W