Endicott, WA -- U.S. town in Washington Population (2000): 621 Housing Units (2000): 166 Land area (2000): 0.288728 sq. miles (0.747802 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.288728 sq. miles (0.747802 sq. km) FIPS code: 21730 Located within: Washington (WA), FIPS 53 Location: 46.928761 N, 117.686030 W ZIP Codes (1990): 99125 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Endicott, WA Endicott