30803 -- U.S. ZIP code Municipality (1990): AVERA, Georgia All ZIPs for this municipality (1990): 30803 Population (2000): 641 Housing Units (2000): 343 Land area (2000): 58.061650 sq. miles (150.378976 sq. km) Water area (2000): 0.053308 sq. miles (0.138066 sq. km) Total area (2000): 58.114958 sq. miles (150.517042 sq. km) Located within: Georgia (GA) Location: 33.163467 N, 82.520170 W