ZIP code 01540 is in Oxford (54% of residents), in Worcester County, Massachusetts. 46% of its residents live outside city limits. It is in Massachusetts's 1st congressional district. Its state senate district is Worcester and Hampden District; its state house districts are 18th Worcester District (60%) and 7th Worcester District (40%).
Members serving now (119th Congress, until January 3, 2027). Source: Members of Congress: the @unitedstates project, congress-legislators (CC0).
State legislative districts
State senate district
Share of ZIP residents
Worcester and Hampden District
100%
State house district
Share of ZIP residents
18th Worcester District
60%
7th Worcester District
40%
Voting precincts
4 voting precincts overlap ZIP 01540.
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:01540")
ZIP 01540 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.