Union, NH ZIP code
The ZIP code for Union, New Hampshire is 03887. It is in Strafford County.
- Population in these ZIPs
- 1,739
- Avg. median income
- $91,900population-weighted
- Typical home value
- $422,300population-weighted
- Metro area
- Boston-Cambridge-Newton, MA-NH
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Union, NH ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 03887 | 1,739 | $91,875 | $422,300 |
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 Union
- Milton 4 mi
- New Durham 4 mi
- Milton Mills 4 mi
- Sanbornville 6 mi
- Alton 7 mi
- Farmington 8 mi
- East Wakefield 10 mi
- Wolfeboro 10 mi
- Alton Bay 11 mi
- Center Barnstead 12 mi
- Rochester 14 mi
- Gilmanton Iron Works 14 mi
Frequently asked questions
What is the ZIP code for Union, NH?
The ZIP code for Union, NH is 03887.
What county is Union, New Hampshire in?
Union ZIP codes are in Strafford County.