ZIP code · Smithfield · North Carolina · United States
ZIP code 27577 — Smithfield
ZIP code 27577 serves Smithfield, North Carolina.
- Postal code
- 27577Single source Value from one source, not cross-checked.
- City
- Smithfield
- County
- Johnston
- State
- North Carolina
- Country
- United States
- Coordinates
- 35.5068, -78.3479 — precision precise (locality)
View on OpenStreetMap - Population
- 26,946 (ZCTA, ACS 5-year)
- Median household income
- $56,237
- Median age
- 40.7
About this page
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 · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page