City · North Carolina · United States
Smithfield, NC — ZIP codes
1 ZIP code · Johnston County
- City
- Smithfield
- County
- Johnston
- State
- North Carolina
- Country
- United States
- Postal code
- 27577Single source
- Coordinates
- 35.5068, -78.3479 View on OpenStreetMap
- Area codes
- 919, 984
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 27577 | Smithfield | Single source |
Sources and verification
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Last generated : 2026-08-21. Report an error.