ZIP code 02601: Barnstable Town, MA

ZIP code 02601 is in Barnstable Town, in Barnstable County, Massachusetts. It is in Massachusetts's 9th congressional district. Its state senate district is Cape and Islands District; its state house district is 2nd Barnstable District.

16,487residents (2020 Census)

8.8 sq miland area

1cities and towns

1congressional district

7voting precincts

See it on the map All of Massachusetts

City and county

City or town	Share of ZIP residents
Barnstable Town	100%

County	Share of ZIP residents
Barnstable County	100%

Town or county subdivision	Share of ZIP residents
Barnstable Town city	100%

Congressional district

Congressional district	Share of ZIP residents
Massachusetts's 9th congressional district (MA-09)	100%

Elected officials

Office	Member	Contact	Share of residents
U.S. Representative (MA-09)	William R. Keating (D)	202-225-3111	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 Senator (Cape and Islands District)	Julian Cyr (Democratic)		100%
State Representative (2nd Barnstable District)	Kip Diggs (Democratic)		100%

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

Barnstable Town website: https://town.barnstable.ma.us/
Barnstable Town laws: search for the Barnstable Town, Massachusetts code of ordinances
Barnstable County website: http://www.barnstablecounty.org
Barnstable County laws: search for the Barnstable County, Massachusetts code of ordinances

State legislative districts

State senate district	Share of ZIP residents
Cape and Islands District	100%

State house district	Share of ZIP residents
2nd Barnstable District	100%

Voting precincts

7 voting precincts overlap ZIP 02601. 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:02601")

ZIP 02601 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.