ZIP code 03801: Portsmouth, NH
ZIP code 03801 is in Portsmouth (96% of residents), in Rockingham County, New Hampshire. It is in New Hampshire's 1st congressional district. Its state senate district is State Senate District 21; its state house districts are State House District Rockingham 21 (22%), State House District Rockingham 28 (20%), State House District Rockingham 26 (20%), State House District Rockingham 27 (19%) and State House District Rockingham 22 (19%).
See it on the mapAll of New Hampshire
City and county
| City or town | Share of ZIP residents |
|---|---|
| Portsmouth | 96% |
| County | Share of ZIP residents |
|---|---|
| Rockingham County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Portsmouth city | 96% |
| Newington town | 3.6% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| New Hampshire's 1st congressional district (NH-01) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| Mayor | Deaglan McEachern | 96% | |
| U.S. Representative (NH-01) | Chris Pappas (D) | 202-225-5456 | 100% |
| U.S. Senator | Jeanne Shaheen (D) | 202-224-2841 · contact form | statewide |
| U.S. Senator | Margaret Wood Hassan (D) | 202-224-3324 · contact form | statewide |
| State Senator (State Senate District 21) | Rebecca Perkins Kwoka (Democratic) | 100% | |
| State Representative (State House District Rockingham 21) | Jennifer Mandelbaum (Democratic) | 22% | |
| State Representative (State House District Rockingham 28) | Carrie Sorensen (Democratic) | 20% | |
| State Representative (State House District Rockingham 26) | Buzz Scherr (Democratic) | 20% | |
| State Representative (State House District Rockingham 27) | Gerry Ward (Democratic) | 19% |
From Wikidata (community-maintained); confirm on the city's website.
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0); Mayors: Wikidata (CC0).
Local government
- Portsmouth website: http://www.cityofportsmouth.com/
- Portsmouth laws: search for the Portsmouth, New Hampshire code of ordinances
- Rockingham County website: http://co.rockingham.nh.us
- Rockingham County laws: search for the Rockingham County, New Hampshire code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 21 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District Rockingham 21 | 22% |
| State House District Rockingham 28 | 20% |
| State House District Rockingham 26 | 20% |
| State House District Rockingham 27 | 19% |
| State House District Rockingham 22 | 19% |
Voting precincts
6 voting precincts overlap ZIP 03801. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:03801")
ZIP 03801 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.