32903 -- U.S. ZIP code Municipality (1990): INDIALANTIC, Florida All ZIPs for this municipality (1990): 32903 Population (2000): 12792 Housing Units (2000): 6410 Land area (2000): 4.055312 sq. miles (10.503209 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 4.055312 sq. miles (10.503209 sq. km) Located within: Florida (FL) Location: 28.103191 N, 80.574149 W