33405 -- U.S. ZIP code Municipality (1990): WEST PALM BEACH, Florida All ZIPs for this municipality (1990): 33401 33405 33407 33412 33413 33414 Population (2000): 19840 Housing Units (2000): 8542 Land area (2000): 4.457443 sq. miles (11.544723 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 4.457443 sq. miles (11.544723 sq. km) Located within: Florida (FL) Location: 26.669744 N, 80.058505 W