'Arriba' definitions:

Arriba, CO -- U.S. town in Colorado

From: Gazetteer 2000
Name :
Arriba, CO -- U.S. town in Colorado
Population (2000) :
244
Housing Units (2000) :
127
Land area (2000) :
0.466486 sq. miles (1.208193 sq. km)
Water area (2000) :
0.000000 sq. miles (0.000000 sq. km)
Total area (2000) :
0.466486 sq. miles (1.208193 sq. km)
FIPS code :
03235
Located within :
Colorado (CO), FIPS 08
Location :
39.285589 N, 103.275624 W
ZIP Codes (1990) :
80804
Note :
some ZIP codes may be omitted esp. for suburbs.