ZIP code 03231: Andover, NH
ZIP code 03231 is in Merrimack County, New Hampshire, outside any city or Census-designated place. It is in New Hampshire's 2nd congressional district. Its state senate district is State Senate District 7; its state house district is State House District Merrimack 05.
See it on the mapAll of New Hampshire
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Merrimack County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Andover town | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| New Hampshire's 2nd congressional district (NH-02) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (NH-02) | Maggie Goodlander (D) | 202-225-5206 | 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 7) | Dan Innis (R) | 100% | |
| State Representative (State House District Merrimack 05) | Deborah Aylward (R) | 100% | |
| State Representative (State House District Merrimack 05) | Louise Andrus (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
- Merrimack County website: http://www.merrimackcounty.net
- Merrimack County laws: search for the Merrimack County, New Hampshire code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 7 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District Merrimack 05 | 100% |
Voting precincts
1 voting precinct overlap ZIP 03231. 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:03231")
ZIP 03231 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.