ZIP Code 28594 — Emerald Isle, NC
28594 is a standard (street delivery) ZIP code serving Emerald Isle, North Carolina, in Carteret 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 28594 at a glance
| ZIP code | 28594 |
|---|---|
| Primary city | Emerald Isle |
| State | North Carolina (NC) |
| County | Carteret FIPS 37031 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 3,934 |
| Coordinates | 34.664860, -77.029180 |
How ZIP+4 works in 28594
The four digits after the hyphen encode a delivery segment inside 28594. 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 28594 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 28594.
| ZIP | City | Distance |
|---|---|---|
| 28584 | Swansboro, NC | 5.8 mi |
| 28575 | Salter Path, NC | 8.5 mi |
| 28582 | Stella, NC | 9.4 mi |
| 28570 | Newport, NC | 11.7 mi |
| 28539 | Hubert, NC | 11.9 mi |
| 28512 | Atlantic Beach, NC | 14.6 mi |
| 28544 | Midway Park, NC | 16.5 mi |
| 28532 | Havelock, NC | 16.9 mi |
| 28557 | Morehead City, NC | 16.9 mi |
| 28533 | Cherry Point, NC | 17.9 mi |
| 28555 | Maysville, NC | 18.7 mi |
| 28547 | Camp Lejeune, NC | 19.1 mi |
Questions about 28594
What is the ZIP+4 code for 28594?
28594 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 28594, you need to look up a specific street address to get them.
What city is 28594?
28594 is assigned to Emerald Isle, North Carolina, in Carteret 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.