ZIP code 02791: Westport, MA
ZIP code 02791 is in Bristol County, Massachusetts, outside any city or Census-designated place. It is in Massachusetts's 9th congressional district. Its state senate district is First Bristol and Plymouth District; its state house district is 8th Bristol District.
See it on the mapAll of Massachusetts
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Bristol County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Westport town | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Massachusetts's 9th congressional district (MA-09) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MA-09) | William R. Keating (D) | 202-225-3111 | 100% |
| U.S. Senator | Edward J. Markey (D) | 202-224-2742 · contact form | statewide |
| U.S. Senator | Elizabeth Warren (D) | 202-224-4543 · contact form | statewide |
| State Senator (First Bristol and Plymouth District) | Michael Rodrigues (Democratic) | 508-646-0650 | 100% |
| State Representative (8th Bristol District) | Steven Ouellette (Democratic) | 508-677-0905 | 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
- Bristol County website: https://countyofbristol.net
- Bristol County laws: search for the Bristol County, Massachusetts code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| First Bristol and Plymouth District | 100% |
| State house district | Share of ZIP residents |
|---|---|
| 8th Bristol District | 100% |
Voting precincts
2 voting precincts overlap ZIP 02791. 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:02791")
ZIP 02791 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.