ZIP Codes in Rochester, MN
Rochester uses 6 ZIP codes, all in Olmsted County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 6 Rochester ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 55901 | standard | Olmsted | 58,495 |
| 55902 | standard | Olmsted | 26,464 |
| 55903 | standard | Olmsted | — |
| 55904 | standard | Olmsted | 29,639 |
| 55905 | standard | Olmsted | — |
| 55906 | standard | Olmsted | 20,437 |
Finding a ZIP+4 in Rochester
Knowing which of these 6 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 Rochester 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 Rochester addresses and download it complete.