15338 -- U.S. ZIP code Municipality (1990): GREENSBORO, Pennsylvania All ZIPs for this municipality (1990): 15338 Population (2000): 1757 Housing Units (2000): 758 Land area (2000): 16.474313 sq. miles (42.668272 sq. km) Water area (2000): 0.126728 sq. miles (0.328223 sq. km) Total area (2000): 16.601041 sq. miles (42.996495 sq. km) Located within: Pennsylvania (PA) Location: 39.809161 N, 79.937933 W