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Boulder, CO ZIP Code Maps
Boulder, CO ZIP Codes
- Cities in a ZIP Code may be referred to by more than one name or spelling.
- Boulder is the actual or alternate city name associated with 16 ZIP Codes by the US Postal Service.
- Select a ZIP Code on the map or from the list below, for more detailed information.
| Boulder, CO - PO Box ZIP Codes |
| 80306 80307 80308 |
| Boulder, CO - Standard ZIP Codes |
| 80301 80302 80303 80304 80305 |
| Boulder, CO - Unique - Single Entity ZIP Codes |
| 80309 80310 80314 80321 80322 80323 80328 80329 |
