ZIP code 02659: Chatham, MA
ZIP code 02659 is in Barnstable County, Massachusetts, outside any city or Census-designated place. It is in Massachusetts's 9th congressional district. Its state senate district is Cape and Islands District; its state house district is 4th Barnstable District.
See it on the mapAll of Massachusetts
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Barnstable County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Chatham town | 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 (4th Barnstable District) | Hadley Luddy (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 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 |
|---|---|
| 4th Barnstable District | 100% |
Voting precincts
1 voting precinct overlap ZIP 02659. 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:02659")
ZIP 02659 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.