Smithfield, NC ZIP code
The ZIP code for Smithfield, North Carolina is 27577. It is in Johnston County.
- Population in these ZIPs
- 28,354
- Avg. median income
- $62,800population-weighted
- Typical home value
- $288,000population-weighted
- Metro area
- Raleigh-Cary, NC
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Smithfield, NC ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 27577 | 28,354 | $62,758 | $288,000 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Smithfield
- Pine Level 6 mi
- Four Oaks 7 mi
- Selma 8 mi
- Micro 9 mi
- Princeton 11 mi
- Clayton 12 mi
- Benson 12 mi
- Kenly 15 mi
- Garner 17 mi
- Newton Grove 18 mi
- Coats 18 mi
- Willow Spring 19 mi
Frequently asked questions
What is the ZIP code for Smithfield, NC?
The ZIP code for Smithfield, NC is 27577.
What county is Smithfield, North Carolina in?
Smithfield ZIP codes are in Johnston County.