'Great Falls, MT' definitions:

Great Falls, MT -- U.S. city in Montana

From: Gazetteer 2000
Name :
Great Falls, MT -- U.S. city in Montana
Population (2000) :
56690
Housing Units (2000) :
25250
Land area (2000) :
19.486993 sq. miles (50.471078 sq. km)
Water area (2000) :
0.435165 sq. miles (1.127072 sq. km)
Total area (2000) :
19.922158 sq. miles (51.598150 sq. km)
FIPS code :
32800
Located within :
Montana (MT), FIPS 30
Location :
47.503657 N, 111.286299 W
ZIP Codes (1990) :
59401 59404 59405
Note :
some ZIP codes may be omitted esp. for suburbs.