ZIP Code 03857 – Newmarket, New Hampshire
The 03857 ZIP Code belongs to Newmarket, New Hampshire. The population in this 03857 ZIP code is 9,431. The latitude is 43.0691 and longitude is -70.95164 in 03857 Newmarket, New Hampshire. The time zone for this 03857 ZIP code is America/New_York.
| City | Newmarket |
| Zip Code | 03857 |
| State | New Hampshire |
| County | Rockingham |
| Population | 9,431 |
| Latitude | 43.0691 |
| Longitude | -70.95164 |
| Time Zone | America/New_York |