What is "greentop"

Population (2000): 427
Housing Units (2000): 221
Land area (2000): 0.818876 sq. miles (2.120878 sq. km)
Water area (2000): 0.000000 sq. miles (0.000000 sq. km)
Total area (2000): 0.818876 sq. miles (2.120878 sq. km)
FIPS code: 29422
Located within: Missouri (MO), FIPS 29
Location: 40.348360 N, 92.567281 W
ZIP Codes (1990): 63546
Note: some ZIP codes may be omitted esp. for suburbs.
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