Smithfield North Carolina ZIP Codes
Smithfield holds a single ZIP code.
Every ZIP code in Smithfield
| ZIP code | County |
|---|---|
| 27577 | Johnston County |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Smithfield codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Smithfield. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every Smithfield ZIP code begins 275. Those first three digits identify the sectional center facility that processes mail for this part of North Carolina. Statewide that range covers 80 ZIP codes, so Smithfield accounts for 1% of it.
Every North Carolina ZIP prefix and the region it covers →
Area codes covering Smithfield
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Smithfield occupies.
Smithfield North Carolina area codes in full →
Where Smithfield's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Smithfield
| City | Distance | ZIP codes |
|---|---|---|
| Selma North Carolina ZIP codes | 3.6 mi | 1 ZIP code |
| Wilsons Mills North Carolina ZIP codes | 4.3 mi | 1 ZIP code |
| Pine Level North Carolina ZIP codes | 6.0 mi | 1 ZIP code |
| Four Oaks North Carolina ZIP codes | 6.5 mi | 1 ZIP code |
| Micro North Carolina ZIP codes | 8.8 mi | 1 ZIP code |
| Clayton North Carolina ZIP codes | 11 mi | 3 ZIP codes |
| Princeton North Carolina ZIP codes | 11 mi | 1 ZIP code |
| Kenly North Carolina ZIP codes | 14 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.