ZIP code 20143: Gainesville district, VA
ZIP code 20143 is in Prince William County, Virginia, outside any city or Census-designated place. It is in Virginia's 10th congressional district. Its state senate district is State Senate District 30; its state house district is House of Delegates District 21.
See it on the mapAll of Virginia
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Prince William County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Gainesville district | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Virginia's 10th congressional district (VA-10) | 100% |
Members of Congress
| Office | Member | Contact |
|---|---|---|
| U.S. Representative (VA-10) | Suhas Subramanyam (D) | 202-225-5136 |
| U.S. Senator | Mark R. Warner (D) | 202-224-2023 · contact form |
| U.S. Senator | Tim Kaine (D) | 202-224-4024 · 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 |
|---|---|
| State Senate District 30 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| House of Delegates District 21 | 100% |
Voting precincts
1 voting precinct overlap ZIP 20143. 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:20143")
ZIP 20143 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.