ZIP code 01010: Brimfield, MA
ZIP code 01010 is in Hampden County (100%) and Worcester County (0.5%), Massachusetts, outside any city or Census-designated place. It is in Massachusetts's 1st congressional district. Its state senate districts are Worcester and Hampden District (100%) and Hampden-Hampshire-Worcester District (0.5%); its state house district is 1st Hampden District.
See it on the mapAll of Massachusetts
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Hampden County | 100% |
| Worcester County | 0.5% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Brimfield town | 100% |
| Warren town | 0.5% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Massachusetts's 1st congressional district (MA-01) | 100% |
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| Worcester and Hampden District | 100% |
| Hampden-Hampshire-Worcester District | 0.5% |
| State house district | Share of ZIP residents |
|---|---|
| 1st Hampden District | 100% |
Voting precincts
2 voting precincts overlap ZIP 01010. 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:01010")
ZIP 01010 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.