Washington, NH ZIP code
The ZIP code for Washington, New Hampshire is 03280. It is in Sullivan County.
- Population in these ZIPs
- 1,224
- Avg. median income
- $90,100population-weighted
- Typical home value
- $385,400population-weighted
- Metro area
- Lebanon-Claremont, NH-VT
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Washington, NH ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 03280 | 1,224 | $90,096 | $385,400 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Washington
- Lempster 6 mi
- Goshen 6 mi
- Marlow 7 mi
- Stoddard 8 mi
- Bradford 8 mi
- South Acworth 8 mi
- Newbury 9 mi
- Hillsborough 10 mi
- Antrim 11 mi
- South Sutton 11 mi
- Acworth 12 mi
- Sullivan 13 mi
Frequently asked questions
What is the ZIP code for Washington, NH?
The ZIP code for Washington, NH is 03280.
What county is Washington, New Hampshire in?
Washington ZIP codes are in Sullivan County.