ZIP code 01776: Sudbury, MA
ZIP code 01776 is in Middlesex County, Massachusetts, outside any city or Census-designated place. It is in Massachusetts's 5th congressional district. Its state senate district is Middlesex and Worcester District; its state house district is 13th Middlesex District.
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 |
|---|---|
| Sudbury town | 100% |
| Wayland town | land only |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Massachusetts's 5th congressional district (MA-05) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MA-05) | Katherine M. Clark (D) | 202-225-2836 | 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 (13th Middlesex District) | Carmine Gentile (Democratic) | 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
- 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 |
|---|---|
| 13th Middlesex District | 100% |
Voting precincts
7 voting precincts overlap ZIP 01776. 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:01776")
ZIP 01776 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.