12458 -- U.S. ZIP code Municipality (1990): NAPANOCH, New York All ZIPs for this municipality (1990): 12458 Population (2000): 2243 Housing Units (2000): 1132 Land area (2000): 50.413829 sq. miles (130.571212 sq. km) Water area (2000): 0.093170 sq. miles (0.241310 sq. km) Total area (2000): 50.506999 sq. miles (130.812522 sq. km) Located within: New York (NY) Location: 41.802898 N, 74.400252 W