15055 -- U.S. ZIP code Municipality (1990): LAWRENCE, Pennsylvania All ZIPs for this municipality (1990): 15055 Population (2000): 1252 Housing Units (2000): 597 Land area (2000): 0.670612 sq. miles (1.736876 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.670612 sq. miles (1.736876 sq. km) Located within: Pennsylvania (PA) Location: 40.304019 N, 80.122463 W