ZIP CodesZIP codes in Union County, North Carolina
Union County, North Carolina has 8 ZIP codes in this list, from 28079 to 28174. They cover 6 places, among them Monroe, Indian Trail, Marshville and Mineral Springs.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 28079 | Indian Trail | 46.6 | 35.083, -80.660 |
| 28103 | Marshville | 153 | 35.017, -80.378 |
| 28108 | Mineral Springs | 0.2 | 34.938, -80.669 |
| 28110 | Monroe | 127 | 35.018, -80.537 |
| 28111 | Monroe | no area | 35.011, -80.559 |
| 28112 | Monroe | 132 | 34.895, -80.554 |
| 28173 | Waxhaw | 106 | 34.925, -80.728 |
| 28174 | Wingate | 36.4 | 34.985, -80.448 |
The ZIP code areas of Union County add up to about 602 square miles of land (1,560 sq km) as the Census Bureau draws them. The largest is 28103 (Marshville), with 153 square miles.
Places with more than one code here: Monroe (3 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Indian Trail, NC 28079.
- 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.