Dudley, MO -- U.S. city in Missouri Population (2000): 289 Housing Units (2000): 135 Land area (2000): 0.400705 sq. miles (1.037821 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.400705 sq. miles (1.037821 sq. km) FIPS code: 20296 Located within: Missouri (MO), FIPS 29 Location: 36.789916 N, 90.092334 W ZIP Codes (1990): 63936 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Dudley, MO Dudley