30452 -- U.S. ZIP code Municipality (1990): REGISTER, Georgia All ZIPs for this municipality (1990): 30452 Population (2000): 1392 Housing Units (2000): 548 Land area (2000): 53.201092 sq. miles (137.790189 sq. km) Water area (2000): 1.008119 sq. miles (2.611017 sq. km) Total area (2000): 54.209211 sq. miles (140.401206 sq. km) Located within: Georgia (GA) Location: 32.327219 N, 81.898188 W