ZIP code 22181 is in Oakton (86% of residents), Wolf Trap (10%) and Difficult Run (2.4%), in Fairfax County, Virginia. It is in Virginia's 11th congressional district. Its state senate districts are State Senate District 37 (87%) and State Senate District 38 (13%); its state house districts are House of Delegates District 12 (48%), House of Delegates District 11 (39%), House of Delegates District 6 (10%) and House of Delegates District 7 (2.4%).
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).
10 voting precincts overlap ZIP 22181.
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:22181")
ZIP 22181 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.