ZIP Codes in Auburn, NY
Auburn uses 2 ZIP codes, all in Cayuga County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 2 Auburn ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 13021 | standard | Cayuga | 37,247 |
| 13024 | standard | Cayuga | 1,230 |
Finding a ZIP+4 in Auburn
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 Auburn 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 Auburn addresses and download it complete.