04068 -- U.S. ZIP code Municipality (1990): PORTER, Maine All ZIPs for this municipality (1990): 04068 Population (2000): 1447 Housing Units (2000): 785 Land area (2000): 31.559123 sq. miles (81.737751 sq. km) Water area (2000): 1.585006 sq. miles (4.105146 sq. km) Total area (2000): 33.144129 sq. miles (85.842897 sq. km) Located within: Maine (ME) Location: 43.833831 N, 70.930943 W