31019 -- U.S. ZIP code Municipality (1990): DEXTER, Georgia All ZIPs for this municipality (1990): 31019 Population (2000): 1993 Housing Units (2000): 889 Land area (2000): 53.699117 sq. miles (139.080069 sq. km) Water area (2000): 0.268472 sq. miles (0.695338 sq. km) Total area (2000): 53.967589 sq. miles (139.775407 sq. km) Located within: Georgia (GA) Location: 32.427633 N, 83.056321 W