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🇺🇸 Colorado

State Code: CO · United States of America
US State
ZIP Codes
527
Population
5,862,421
State Code
CO
Country
USA
Most Populous ZIP Codes in Colorado
80134
Parker
Pop: 80,302
80013
Aurora
Pop: 73,248
80015
Aurora
Pop: 72,316
80016
Aurora
Pop: 68,268
80634
Greeley
Pop: 65,622
80504
Longmont
Pop: 63,451
All ZIP Codes in Colorado
Erie
Post Office Erie
County Weld
ZIP Code 80516
Fort Collins
Post Office Fort Collins
County Larimer
ZIP Code 80521
Castle Rock
Post Office Castle Rock
County Douglas
ZIP Code 80104
Denver
Post Office Denver
County Denver
ZIP Code 80211
Colorado Springs
Post Office Colorado Springs
County El Paso
ZIP Code 80906
Denver
Post Office Denver
County Denver
ZIP Code 80220
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