33403 -- U.S. ZIP code Municipality (1990): LAKE PARK, Florida All ZIPs for this municipality (1990): 33403 Population (2000): 12112 Housing Units (2000): 5435 Land area (2000): 2.878966 sq. miles (7.456488 sq. km) Water area (2000): 0.015714 sq. miles (0.040700 sq. km) Total area (2000): 2.894680 sq. miles (7.497188 sq. km) Located within: Florida (FL) Location: 26.802139 N, 80.070324 W