03804 ZIP Code — Portsmouth, NH
Rockingham County, New Hampshire
ZIP code 03804 is located in Portsmouth, New Hampshire, within Rockingham 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
03804 ZIP code map
Cities in ZIP code 03804
Below are the cities the US Postal Service accepts for ZIP code 03804. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Portsmouth | Acceptable |
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 33 |
| County FIPS | 015 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 43.0719 |
| Longitude | -70.7632 |
| Timezone | Eastern (ET) |
| Area code | 603 |