ZIP Code 28334 — Dunn, NC
28334 is a standard (street delivery) ZIP code serving Dunn, North Carolina, in Sampson County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 28334 at a glance
| ZIP code | 28334 |
|---|---|
| Primary city | Dunn |
| State | North Carolina (NC) |
| County | Sampson FIPS 37163 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 22,873 |
| Coordinates | 35.268100, -78.570510 |
How ZIP+4 works in 28334
The four digits after the hyphen encode a delivery segment inside 28334. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 28334 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 28334.
| ZIP | City | Distance |
|---|---|---|
| 28331 | Cumberland, NC | 6.5 mi |
| 28342 | Falcon, NC | 7 mi |
| 28344 | Godwin, NC | 7.9 mi |
| 28339 | Erwin, NC | 9.1 mi |
| 27504 | Benson, NC | 9.5 mi |
| 27521 | Coats, NC | 11.2 mi |
| 28366 | Newton Grove, NC | 12 mi |
| 28356 | Linden, NC | 12.7 mi |
| 28395 | Wade, NC | 13.1 mi |
| 27506 | Buies Creek, NC | 13.6 mi |
| 27524 | Four Oaks, NC | 13.8 mi |
| 28323 | Bunnlevel, NC | 15.4 mi |
Questions about 28334
What is the ZIP+4 code for 28334?
28334 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 28334, you need to look up a specific street address to get them.
What city is 28334?
28334 is assigned to Dunn, North Carolina, in Sampson County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.