ZIP code 03865: Plaistow, NH
ZIP code 03865 is in Rockingham County, New Hampshire, outside any city or Census-designated place. It is in New Hampshire's 1st congressional district. Its state senate district is State Senate District 22; its state house district is State House District Rockingham 20.
See it on the mapAll of New Hampshire
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Rockingham County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Plaistow town | 100% |
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 |
|---|---|---|---|
| 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 22) | Daryl Abbas (R) | 100% | |
| State Representative (State House District Rockingham 20) | Bob Harb (R) | 100% | |
| State Representative (State House District Rockingham 20) | Charlie Melvin (R) | 100% | |
| State Representative (State House District Rockingham 20) | Jim Summers (R) | 100% |
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).
Local government
- 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 22 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District Rockingham 20 | 100% |
Voting precincts
1 voting precinct overlap ZIP 03865. 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:03865")
ZIP 03865 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.