10901 -- U.S. ZIP code Municipality (1990): SUFFERN, New York All ZIPs for this municipality (1990): 10901 Population (2000): 21760 Housing Units (2000): 8289 Land area (2000): 28.667490 sq. miles (74.248455 sq. km) Water area (2000): 0.310512 sq. miles (0.804222 sq. km) Total area (2000): 28.978002 sq. miles (75.052677 sq. km) Located within: New York (NY) Location: 41.125695 N, 74.126824 W