30425 -- U.S. ZIP code Municipality (1990): GARFIELD, Georgia All ZIPs for this municipality (1990): 30425 Population (2000): 1386 Housing Units (2000): 653 Land area (2000): 83.473515 sq. miles (216.195403 sq. km) Water area (2000): 0.526725 sq. miles (1.364211 sq. km) Total area (2000): 84.000240 sq. miles (217.559614 sq. km) Located within: Georgia (GA) Location: 32.632683 N, 82.036003 W