12439 -- U.S. ZIP code Municipality (1990): EAST WINDHAM, New York All ZIPs for this municipality (1990): 12439 Population (2000): 107 Housing Units (2000): 151 Land area (2000): 0.444937 sq. miles (1.152381 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.444937 sq. miles (1.152381 sq. km) Located within: New York (NY) Location: 42.302596 N, 74.227118 W