04643 -- U.S. ZIP code Municipality (1990): HARRINGTON, Maine All ZIPs for this municipality (1990): 04643 Population (2000): 888 Housing Units (2000): 566 Land area (2000): 21.244673 sq. miles (55.023448 sq. km) Water area (2000): 31.663251 sq. miles (82.007441 sq. km) Total area (2000): 52.907924 sq. miles (137.030889 sq. km) Located within: Maine (ME) Location: 44.599134 N, 67.825336 W