33809 -- U.S. ZIP code Municipality (1990): LAKELAND, Florida All ZIPs for this municipality (1990): 33801 33803 33805 33809 Population (2000): 28855 Housing Units (2000): 12831 Land area (2000): 88.205710 sq. miles (228.451730 sq. km) Water area (2000): 0.818125 sq. miles (2.118935 sq. km) Total area (2000): 89.023835 sq. miles (230.570665 sq. km) Located within: Florida (FL) Location: 28.128494 N, 81.956252 W