32011 -- U.S. ZIP code Municipality (1990): CALLAHAN, Florida All ZIPs for this municipality (1990): 32011 Population (2000): 11408 Housing Units (2000): 4385 Land area (2000): 186.514416 sq. miles (483.070098 sq. km) Water area (2000): 0.006917 sq. miles (0.017916 sq. km) Total area (2000): 186.521333 sq. miles (483.088014 sq. km) Located within: Florida (FL) Location: 30.567684 N, 81.840511 W