Allardt, TN -- U.S. city in Tennessee Population (2000): 642 Housing Units (2000): 283 Land area (2000): 3.777285 sq. miles (9.783122 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 3.777285 sq. miles (9.783122 sq. km) FIPS code: 00660 Located within: Tennessee (TN), FIPS 47 Location: 36.385627 N, 84.885426 W ZIP Codes (1990): 38504 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Allardt, TN Allardt