12009 -- U.S. ZIP code Municipality (1990): ALTAMONT, New York All ZIPs for this municipality (1990): 12009 Population (2000): 7628 Housing Units (2000): 3027 Land area (2000): 50.601165 sq. miles (131.056409 sq. km) Water area (2000): 0.732782 sq. miles (1.897896 sq. km) Total area (2000): 51.333947 sq. miles (132.954305 sq. km) Located within: New York (NY) Location: 42.698692 N, 74.031481 W