02459 -- U.S. ZIP code Population (2000): 17856 Housing Units (2000): 6301 Land area (2000): 4.864258 sq. miles (12.598371 sq. km) Water area (2000): 0.035640 sq. miles (0.092307 sq. km) Total area (2000): 4.899898 sq. miles (12.690678 sq. km) Located within: Massachusetts (MA) Location: 42.321197 N, 71.193009 W