30286 -- U.S. ZIP code Municipality (1990): THOMASTON, Georgia All ZIPs for this municipality (1990): 30286 Population (2000): 24308 Housing Units (2000): 10282 Land area (2000): 207.827349 sq. miles (538.270340 sq. km) Water area (2000): 0.789855 sq. miles (2.045716 sq. km) Total area (2000): 208.617204 sq. miles (540.316056 sq. km) Located within: Georgia (GA) Location: 32.895794 N, 84.330849 W