15133 -- U.S. ZIP code Municipality (1990): MC KEESPORT, Pennsylvania All ZIPs for this municipality (1990): 15132 15133 Population (2000): 6816 Housing Units (2000): 3058 Land area (2000): 3.719318 sq. miles (9.632990 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 3.719318 sq. miles (9.632990 sq. km) Located within: Pennsylvania (PA) Location: 40.332502 N, 79.864604 W