ZIP Code 03257
New London · Merrimack, New Hampshire
03257 is the ZIP code of New London in Merrimack, New Hampshire, United States.
- ZIP Code
- 03257
- County
- Merrimack
- State
- New Hampshire
- Country
- United States
Place with ZIP code 03257
| Place | County | Location |
|---|---|---|
| New London | Merrimack | 43.414, -71.986 |
Near Boston
The nearest major city is Boston, about 140 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 03257?
New London.
Which county and state is 03257 in?
Merrimack, New Hampshire, United States.
What is the nearest major city to 03257?
Boston, about 140 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.