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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
Colorado Springs
Post Office Colorado Springs
County El Paso
ZIP Code 80920
Parker
Post Office Parker
County Douglas
ZIP Code 80138
Englewood
Post Office Englewood
County Arapahoe
ZIP Code 80112
Castle Rock
Post Office Castle Rock
County Douglas
ZIP Code 80108
Littleton
Post Office Littleton
County Jefferson
ZIP Code 80128
Broomfield
Post Office Broomfield
County Jefferson
ZIP Code 80021
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