ZIP codes in Merrimack County, New Hampshire
Merrimack County, New Hampshire has 29 ZIP codes in this list, from 03046 to 03307. They cover 26 places, among them Concord, Dunbarton, Hooksett and Andover.
Nothing in this county matches.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 03046 | Dunbarton | 30.9 | 43.102, -71.617 |
| 03106 | Hooksett | 36.0 | 43.062, -71.444 |
| 03216 | Andover | 39.9 | 43.429, -71.783 |
| 03221 | Bradford | 48.9 | 43.252, -71.962 |
| 03224 | Canterbury | 42.7 | 43.357, -71.557 |
| 03229 | Contoocook | 43.3 | 43.198, -71.697 |
| 03230 | Danbury | 40.3 | 43.511, -71.869 |
| 03231 | East Andover | 0.3 | 43.459, -71.748 |
| 03233 | Elkins | 0.4 | 43.421, -71.937 |
| 03234 | Epsom | 34.4 | 43.217, -71.355 |
| 03235 | Franklin | 29.8 | 43.443, -71.649 |
| 03242 | Henniker | 44.1 | 43.179, -71.816 |
| 03243 | Hill | 25.6 | 43.527, -71.729 |
| 03255 | Newbury | 35.8 | 43.322, -72.012 |
| 03257 | New London | 23.6 | 43.414, -71.986 |
| 03260 | North Sutton | 21.4 | 43.365, -71.934 |
| 03263 | Pittsfield | 24.5 | 43.287, -71.333 |
| 03268 | Salisbury | 30.9 | 43.407, -71.704 |
| 03272 | South Newbury | no area | 43.296, -71.997 |
| 03273 | South Sutton | 4.6 | 43.304, -71.929 |
| 03275 | Suncook | 43.0 | 43.160, -71.418 |
| 03278 | Warner | 63.5 | 43.303, -71.835 |
| 03287 | Wilmot | 29.4 | 43.449, -71.916 |
| 03301 | Concord | 49.2 | 43.218, -71.528 |
| 03302 | Concord | no area | 43.310, -71.663 |
| 03303 | Concord | 67.8 | 43.282, -71.659 |
| 03304 | Bow | 28.2 | 43.139, -71.545 |
| 03305 | Concord | no area | 43.213, -71.517 |
| 03307 | Loudon | 47.0 | 43.319, -71.467 |
The ZIP code areas of Merrimack County add up to about 886 square miles of land (2,293 sq km) as the Census Bureau draws them. The largest is 03303 (Concord), with 67.8 square miles.
Places with more than one code here: Concord (4 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Dunbarton, NH 03046.
- 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.