Newton, NH ZIP code
The ZIP code for Newton, New Hampshire is 03858. It is in Rockingham County.
- Population in these ZIPs
- 4,836
- Avg. median income
- $138,500population-weighted
- Typical home value
- $574,900population-weighted
- Metro area
- Boston-Cambridge-Newton, MA-NH
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Newton, NH ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 03858 | 4,836 | $138,487 | $574,900 |
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 Newton
- Plaistow 3 mi
- Kingston 3 mi
- East Kingston 3 mi
- East Hampstead 4 mi
- Atkinson 7 mi
- Danville 7 mi
- Hampstead 7 mi
- Exeter 8 mi
- Sandown 8 mi
- Hampton Falls 9 mi
- Hampton 9 mi
- Seabrook 9 mi
Frequently asked questions
What is the ZIP code for Newton, NH?
The ZIP code for Newton, NH is 03858.
What county is Newton, New Hampshire in?
Newton ZIP codes are in Rockingham County.