12986 -- U.S. ZIP code Municipality (1990): SUNMOUNT, New York All ZIPs for this municipality (1990): 12986 Population (2000): 6507 Housing Units (2000): 3709 Land area (2000): 235.947279 sq. miles (611.100621 sq. km) Water area (2000): 5.591976 sq. miles (14.483151 sq. km) Total area (2000): 241.539255 sq. miles (625.583772 sq. km) Located within: New York (NY) Location: 44.220344 N, 74.462998 W