'Keystone, IA' definitions:

Keystone, IA -- U.S. city in Iowa

From: Gazetteer 2000
Name :
Keystone, IA -- U.S. city in Iowa
Population (2000) :
687
Housing Units (2000) :
281
Land area (2000) :
0.370289 sq. miles (0.959043 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
0.370289 sq. miles (0.959043 sq. km)
FIPS code :
41115
Located within :
Iowa (IA), FIPS 19
Location :
42.000915 N, 92.198544 W
ZIP Codes (1990) :
52249
Note :
some ZIP codes may be omitted esp. for suburbs.