Lexa, AR -- U.S. city in Arkansas Population (2000): 331 Housing Units (2000): 139 Land area (2000): 0.376205 sq. miles (0.974367 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.376205 sq. miles (0.974367 sq. km) FIPS code: 39670 Located within: Arkansas (AR), FIPS 05 Location: 34.597528 N, 90.750430 W ZIP Codes (1990): 72355 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Lexa, AR Lexa