ZIP code 01720: Acton, MA
ZIP code 01720 is in Middlesex County, Massachusetts, outside any city or Census-designated place. It is in Massachusetts's 3rd congressional district. Its state senate district is Middlesex and Worcester District; its state house districts are 14th Middlesex District (50%) and 37th Middlesex District (50%).
See it on the mapAll of Massachusetts
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Middlesex County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Acton town | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Massachusetts's 3rd congressional district (MA-03) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MA-03) | Lori Trahan (D) | 202-225-3411 | 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 (Middlesex and Worcester District) | Jamie Eldridge (Democratic) | 100% | |
| State Representative (14th Middlesex District) | Simon Cataldo (Democratic) | 50% | |
| State Representative (37th Middlesex District) | Dan Sena (Democratic) | 50% |
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
- Middlesex County laws: search for the Middlesex County, Massachusetts code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| Middlesex and Worcester District | 100% |
| State house district | Share of ZIP residents |
|---|---|
| 14th Middlesex District | 50% |
| 37th Middlesex District | 50% |
Voting precincts
7 voting precincts overlap ZIP 01720. 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:01720")
ZIP 01720 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.