ZIP code 20839: District 3, MD
ZIP code 20839 is in Montgomery County, Maryland, outside any city or Census-designated place. It is in Maryland's 6th congressional district. Its state senate district is State Senate District 15; its state house district is State Legislative District 15.
See it on the mapAll of Maryland
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Montgomery County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| District 3 | 72% |
| District 11 | 28% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Maryland's 6th congressional district (MD-06) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MD-06) | April McClain Delaney (D) | 202-225-2721 | 100% |
| U.S. Senator | Angela D. Alsobrooks (D) | 202-224-4524 · contact form | statewide |
| U.S. Senator | Chris Van Hollen (D) | 202-224-4654 · contact form | statewide |
| State Senator (State Senate District 15) | Brian Feldman (Democratic) | 100% | |
| Delegate (State Legislative District 15) | David Fraser-Hidalgo (Democratic) | 100% | |
| Delegate (State Legislative District 15) | Lily Qi (Democratic) | 100% | |
| Delegate (State Legislative District 15) | Linda Foley (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
- Montgomery County website: https://www.montgomerycountymd.gov/
- Montgomery County laws: search for the Montgomery County, Maryland code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 15 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State Legislative District 15 | 100% |
Voting precincts
2 voting precincts overlap ZIP 20839. 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:20839")
ZIP 20839 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.