15413 -- U.S. ZIP code Municipality (1990): ALLISON, Pennsylvania All ZIPs for this municipality (1990): 15413 Population (2000): 420 Housing Units (2000): 196 Land area (2000): 0.913619 sq. miles (2.366261 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.913619 sq. miles (2.366261 sq. km) Located within: Pennsylvania (PA) Location: 39.987842 N, 79.866818 W