31779 -- U.S. ZIP code Municipality (1990): PELHAM, Georgia All ZIPs for this municipality (1990): 31779 Population (2000): 9344 Housing Units (2000): 3232 Land area (2000): 123.218467 sq. miles (319.134350 sq. km) Water area (2000): 0.704328 sq. miles (1.824202 sq. km) Total area (2000): 123.922795 sq. miles (320.958552 sq. km) Located within: Georgia (GA) Location: 31.117271 N, 84.156784 W