ZIP code 01039: Williamsburg, MA
ZIP code 01039 is in Hampshire County (77%) and Franklin County (23%), Massachusetts, outside any city or Census-designated place. It is in Massachusetts's 2nd congressional district. Its state senate districts are Berkshire-Hampden-Franklin-Hampshire District (99%) and Hampshire-Franklin-Worcester District (1.1%); its state house districts are 1st Hampshire District (77%) and 1st Franklin District (23%).
See it on the mapAll of Massachusetts
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Hampshire County | 77% |
| Franklin County | 23% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Williamsburg town | 76% |
| Whately town | 23% |
| Hatfield town | 1.1% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Massachusetts's 2nd congressional district (MA-02) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MA-02) | James P. McGovern (D) | 202-225-6101 | 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 Representative (1st Hampshire District) | Lindsay Sabadosa (Democratic) | 413-270-1166 | 77% |
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
- Hampshire County website: http://www.hampshirecog.org
- Hampshire County laws: search for the Hampshire County, Massachusetts code of ordinances
- Franklin County website: https://frcog.org/
- Franklin County laws: search for the Franklin County, Massachusetts code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| Berkshire-Hampden-Franklin-Hampshire District | 99% |
| Hampshire-Franklin-Worcester District | 1.1% |
| State house district | Share of ZIP residents |
|---|---|
| 1st Hampshire District | 77% |
| 1st Franklin District | 23% |
Voting precincts
3 voting precincts overlap ZIP 01039. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:01039")
ZIP 01039 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.