04087 -- U.S. ZIP code Municipality (1990): WATERBORO, Maine All ZIPs for this municipality (1990): 04087 Population (2000): 1824 Housing Units (2000): 805 Land area (2000): 21.803561 sq. miles (56.470962 sq. km) Water area (2000): 0.180957 sq. miles (0.468677 sq. km) Total area (2000): 21.984518 sq. miles (56.939639 sq. km) Located within: Maine (ME) Location: 43.560660 N, 70.754972 W