30455 -- U.S. ZIP code Municipality (1990): ROCKY FORD, Georgia All ZIPs for this municipality (1990): 30455 Population (2000): 735 Housing Units (2000): 335 Land area (2000): 48.401970 sq. miles (125.360522 sq. km) Water area (2000): 0.124283 sq. miles (0.321892 sq. km) Total area (2000): 48.526253 sq. miles (125.682414 sq. km) Located within: Georgia (GA) Location: 32.697762 N, 81.810364 W