Winthrop zip code
Zip code in Winthrop, ME
The location Winthrop belongs to Kennebec County, state of Maine. Winthrop has been assigned with the zip code 04364.
Winthrop is the official name of the location so if you want to use the US Postal Service you must use that name.
| Zip code | Type | Population |
|---|---|---|
| 04364 | STANDARD | 5,310 |
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