ZIP code 22066: Great Falls, VA
ZIP code 22066 is in Great Falls (86% of residents), McLean (8.6%) and Lowes Island (4.9%), in Fairfax County (95%) and Loudoun County (4.9%), Virginia. It is in Virginia's 11th congressional district (95%) and Virginia's 10th congressional district (4.9%). Its state senate districts are State Senate District 38 (95%) and State Senate District 31 (4.9%); its state house districts are House of Delegates District 6 (95%) and House of Delegates District 27 (4.9%).
See it on the mapAll of Virginia
City and county
| City or town | Share of ZIP residents |
|---|---|
| Great Falls | 86% |
| McLean | 8.6% |
| Lowes Island | 4.9% |
| County | Share of ZIP residents |
|---|---|
| Fairfax County | 95% |
| Loudoun County | 4.9% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Dranesville district | 95% |
| Sterling district | 4.4% |
| Algonkian district | 0.5% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Virginia's 11th congressional district (VA-11) | 95% |
| Virginia's 10th congressional district (VA-10) | 4.9% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (VA-11) | James R. Walkinshaw (D) | 202-225-1492 | 95% |
| U.S. Representative (VA-10) | Suhas Subramanyam (D) | 202-225-5136 | 4.9% |
| U.S. Senator | Mark R. Warner (D) | 202-224-2023 · contact form | statewide |
| U.S. Senator | Tim Kaine (D) | 202-224-4024 · contact form | statewide |
| State Senator (State Senate District 38) | Jennifer Boysko (Democratic) | 95% | |
| State Senator (State Senate District 31) | Russet Perry (Democratic) | 4.9% | |
| Delegate (State House District 6) | Rip Sullivan (Democratic) | 95% | |
| Delegate (State House District 27) | Atoosa Reaser (Democratic) | 4.9% |
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
- Great Falls laws: search for the Great Falls, Virginia code of ordinances
- McLean laws: search for the McLean, Virginia code of ordinances
- Lowes Island laws: search for the Lowes Island, Virginia code of ordinances
- Fairfax County website: https://www.fairfaxcounty.gov/
- Fairfax County laws: search for the Fairfax County, Virginia code of ordinances
- Loudoun County website: http://www.loudoun.gov/
- Loudoun County laws: search for the Loudoun County, Virginia code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 38 | 95% |
| State Senate District 31 | 4.9% |
| State house district | Share of ZIP residents |
|---|---|
| House of Delegates District 6 | 95% |
| House of Delegates District 27 | 4.9% |
Voting precincts
7 voting precincts overlap ZIP 22066. 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:22066")
ZIP 22066 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.