15050 -- U.S. ZIP code Municipality (1990): HOOKSTOWN, Pennsylvania All ZIPs for this municipality (1990): 15050 Population (2000): 2507 Housing Units (2000): 962 Land area (2000): 23.397613 sq. miles (60.599538 sq. km) Water area (2000): 0.012458 sq. miles (0.032265 sq. km) Total area (2000): 23.410071 sq. miles (60.631803 sq. km) Located within: Pennsylvania (PA) Location: 40.557889 N, 80.445296 W