Colorado cities which start with the letter O.

Colorado Zip Codes

PlacePlace Type2010 Population
Oak Creek town 884
Ohio City
Olathe town 1849
Olney Springs town 345
Ophir town 159
Orchard
Orchard City town 3119
Ordway town 1080
Otis town 475
Ouray city 1000
Ovid town 318

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