Colorado ZIP codes
Main ZIP codes for the largest cities in Colorado. Format: 5-digit ZIP code (ZIP+4 optional).
Cities
| City | Code |
|---|---|
| Denver | 80202 |
| Colorado Springs | 80903 |
| Aurora | 80010 |
| Boulder | 80301 |
| Fort Collins | 80521 |
Large cities have many codes; the code shown is the main/central one. All states & countries →