Simms, OK -- U.S. Census Designated Place in Oklahoma Population (2000): 295 Housing Units (2000): 110 Land area (2000): 14.127526 sq. miles (36.590124 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 14.127526 sq. miles (36.590124 sq. km) FIPS code: 67625 Located within: Oklahoma (OK), FIPS 40 Location: 35.403769 N, 95.152930 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Simms, OK Simms