ZIP CodesZIP codes in Strafford County, New Hampshire
Strafford County, New Hampshire has 19 ZIP codes in this list, from 03815 to 03887. They cover 14 places, among them Rochester, Dover, Center Strafford and Madbury.
Nothing in this county matches.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 03815 | Center Strafford | no area | 43.263, -71.107 |
| 03820 | Dover | 27.3 | 43.189, -70.887 |
| 03821 | Dover | no area | 43.198, -70.874 |
| 03822 | Dover | no area | 43.198, -70.874 |
| 03823 | Madbury | 11.6 | 43.173, -70.941 |
| 03824 | Durham | 22.4 | 43.117, -70.920 |
| 03825 | Barrington | 46.9 | 43.203, -71.038 |
| 03835 | Farmington | 36.8 | 43.388, -71.065 |
| 03839 | Rochester | 7.9 | 43.262, -70.984 |
| 03851 | Milton | 26.3 | 43.423, -71.011 |
| 03852 | Milton Mills | 6.7 | 43.502, -70.970 |
| 03855 | New Durham | 41.2 | 43.443, -71.141 |
| 03866 | Rochester | no area | 43.304, -70.976 |
| 03867 | Rochester | 28.4 | 43.304, -70.976 |
| 03868 | Rochester | 8.7 | 43.320, -70.941 |
| 03869 | Rollinsford | 6.7 | 43.227, -70.833 |
| 03878 | Somersworth | 9.8 | 43.252, -70.876 |
| 03884 | Strafford | 49.0 | 43.251, -71.162 |
| 03887 | Union | 18.8 | 43.486, -71.063 |
The ZIP code areas of Strafford County add up to about 349 square miles of land (903 sq km) as the Census Bureau draws them. The largest is 03884 (Strafford), with 49.0 square miles.
Places with more than one code here: Rochester (4 codes), Dover (3 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Center Strafford, NH 03815.
- 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.