ZIP code 01070: Plainfield, MA
ZIP code 01070 is in Hampshire County (95%) and Berkshire County (4.9%), Massachusetts, outside any city or Census-designated place. It is in Massachusetts's 1st congressional district. Its state senate district is Berkshire-Hampden-Franklin-Hampshire District; its state house districts are 1st Hampshire District (95%) and 1st Berkshire District (4.9%).
See it on the mapAll of Massachusetts
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Hampshire County | 95% |
| Berkshire County | 4.9% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Plainfield town | 95% |
| Windsor town | 4.9% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Massachusetts's 1st congressional district (MA-01) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MA-01) | Richard E. Neal (D) | 202-225-5601 | 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 | 95% |
| State Representative (1st Berkshire District) | John Barrett (Democratic) | 413-743-8300 | 4.9% |
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
- Berkshire County laws: search for the Berkshire County, Massachusetts code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| Berkshire-Hampden-Franklin-Hampshire District | 100% |
| State house district | Share of ZIP residents |
|---|---|
| 1st Hampshire District | 95% |
| 1st Berkshire District | 4.9% |
Voting precincts
2 voting precincts overlap ZIP 01070. 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:01070")
ZIP 01070 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.