03821 ZIP Code — Dover, NH
Strafford County, New Hampshire
ZIP code 03821 is located in Dover, New Hampshire, within Strafford County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 603.
0
population
0.00
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
03821 ZIP code map
Cities in ZIP code 03821
Below are the cities the US Postal Service accepts for ZIP code 03821. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Dover | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 33 |
| County FIPS | 017 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 43.1921 |
| Longitude | -70.8804 |
| Timezone | Eastern (ET) |
| Area code | 603 |