01827 -- U.S. ZIP code Municipality (1990): DUNSTABLE, Massachusetts All ZIPs for this municipality (1990): 01827 Population (2000): 2826 Housing Units (2000): 942 Land area (2000): 16.537545 sq. miles (42.832043 sq. km) Water area (2000): 0.165451 sq. miles (0.428517 sq. km) Total area (2000): 16.702996 sq. miles (43.260560 sq. km) Located within: Massachusetts (MA) Location: 42.671356 N, 71.502926 W