Dover, New Hampshire
Dover is a city in Strafford County, New Hampshire, with an estimated population of 33,485 in 2023. It sits at 43.1864, -70.8836 in the America/New_York time zone.
| Field | Value |
|---|---|
| Place name | Dover |
| Type | city |
| State | New Hampshire (NH) |
| County | Strafford County |
| Population (2023 est.) | 33,485 |
| Land area | 26.73 sq mi (69.23 km²) |
| Coordinates | 43.1864, -70.8836 |
| Time zone | America/New_York |
| ZIP codes | 03820, 03821, 03822 |
| Telephone area codes | 603 |
ZIP codes and area codes for Dover
Dover covers 3 ZIP codes: 03820, 03821, 03822. Telephone area codes serving the area: 603. Browse all ZIP codes in New Hampshire for the full list.
Where is Dover?
Dover is located in New Hampshire, in Strafford County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Somersworth 7 km · NHRochester 15 km · NHPortsmouth 16 km · NHSanford 28 km · MEAmesbury Town 38 km · MANewburyport 42 km · MAHaverhill 48 km · MABiddeford 49 km · ME
Other places in Strafford County
Frequently asked questions
What county is Dover, NH in?
Dover is in Strafford County, New Hampshire.
What is the population of Dover, NH?
The 2023 Census Bureau estimate is 33,485.
What time zone is Dover in?
Dover is in the America/New_York time zone.