ZIP code 01951: Newbury, MA
ZIP code 01951 is in Essex County, Massachusetts, outside any city or Census-designated place. It is in Massachusetts's 6th congressional district. Its state senate district is First Essex and Middlesex District; its state house district is 2nd Essex District.
See it on the mapAll of Massachusetts
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Essex County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Newbury town | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Massachusetts's 6th congressional district (MA-06) | 100% |
Members of Congress
| Office | Member | Contact |
|---|---|---|
| U.S. Representative (MA-06) | Seth Moulton (D) | 202-225-8020 |
| U.S. Senator | Edward J. Markey (D) | 202-224-2742 · contact form |
| U.S. Senator | Elizabeth Warren (D) | 202-224-4543 · contact form |
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 |
|---|---|
| First Essex and Middlesex District | 100% |
| State house district | Share of ZIP residents |
|---|---|
| 2nd Essex District | 100% |
Voting precincts
2 voting precincts overlap ZIP 01951. 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:01951")
ZIP 01951 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.