ZIP CodesZIP codes in Onslow County, North Carolina
Onslow County, North Carolina has 13 ZIP codes in this list, from 28445 to 28584. They cover 10 places, among them Jacksonville, Camp Lejeune, Holly Ridge and Sneads Ferry.
Nothing in this county matches.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 28445 | Holly Ridge | 104 | 34.495, -77.555 |
| 28460 | Sneads Ferry | 27.9 | 34.543, -77.404 |
| 28539 | Hubert | 77.1 | 34.699, -77.208 |
| 28540 | Jacksonville | 110 | 34.737, -77.463 |
| 28541 | Jacksonville | no area | 34.692, -77.391 |
| 28542 | Camp Lejeune | 1.6 | 34.664, -77.464 |
| 28543 | Tarawa Terrace | 4.6 | 34.735, -77.383 |
| 28544 | Midway Park | 10.6 | 34.727, -77.320 |
| 28545 | Mccutcheon Field | no area | 34.692, -77.391 |
| 28546 | Jacksonville | 104 | 34.774, -77.378 |
| 28547 | Camp Lejeune | 72.2 | 34.691, -77.361 |
| 28574 | Richlands | 124 | 34.862, -77.586 |
| 28584 | Swansboro | 33.9 | 34.699, -77.135 |
The ZIP code areas of Onslow County add up to about 670 square miles of land (1,735 sq km) as the Census Bureau draws them. The largest is 28574 (Richlands), with 124 square miles.
Places with more than one code here: Jacksonville (3 codes), Camp Lejeune (2 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Holly Ridge, NC 28445.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.