ZIP Codes in Aspen, CO
Aspen uses 2 ZIP codes, all in Pitkin County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 2 Aspen ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 81611 | standard | Pitkin | 9,068 |
| 81612 | standard | Pitkin | — |
Finding a ZIP+4 in Aspen
Knowing which of these 2 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Aspen street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
Upload a CSV of Aspen addresses and download it complete.