31725 -- U.S. ZIP code Municipality (1990): BRINSON, Georgia All ZIPs for this municipality (1990): 31725 Population (2000): 1387 Housing Units (2000): 627 Land area (2000): 77.557040 sq. miles (200.871803 sq. km) Water area (2000): 0.310794 sq. miles (0.804953 sq. km) Total area (2000): 77.867834 sq. miles (201.676756 sq. km) Located within: Georgia (GA) Location: 30.945016 N, 84.722843 W