12187 -- U.S. ZIP code Municipality (1990): WARNERVILLE, New York All ZIPs for this municipality (1990): 12187 Population (2000): 684 Housing Units (2000): 345 Land area (2000): 19.401113 sq. miles (50.248651 sq. km) Water area (2000): 0.008504 sq. miles (0.022025 sq. km) Total area (2000): 19.409617 sq. miles (50.270676 sq. km) Located within: New York (NY) Location: 42.624507 N, 74.467724 W