15345 -- U.S. ZIP code Municipality (1990): MARIANNA, Pennsylvania All ZIPs for this municipality (1990): 15345 Population (2000): 1793 Housing Units (2000): 770 Land area (2000): 20.232889 sq. miles (52.402940 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 20.232889 sq. miles (52.402940 sq. km) Located within: Pennsylvania (PA) Location: 40.019657 N, 80.102733 W