Smithfield zip code
Zip code in Smithfield, ME
The location Smithfield belongs to Somerset County, state of Maine. Smithfield has been assigned with the zip code 04978.
Smithfield 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 |
|---|---|---|
| 04978 | STANDARD | 890 |
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