Smithfield zipcode
| City | Smithfield |
| ZIP Code | 04978 |
| Type | Standard |
| State Code | ME |
| State | Maine |
ZIP code of Smithfield is 04978. This place is located in Maine state in US. To send any postal service to Smithfield, you must use 04978 zipcode.
| City | Smithfield |
| ZIP Code | 04978 |
| Type | Standard |
| State Code | ME |
| State | Maine |
ZIP code of Smithfield is 04978. This place is located in Maine state in US. To send any postal service to Smithfield, you must use 04978 zipcode.
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