ZIP code 99166: Republic, WA
ZIP code 99166 is in Republic (33% of residents), Curlew Lake (17%), Pine Grove (4.3%) and Torboy (1.4%), in Ferry County (98%) and Okanogan County (1.9%), Washington. 44% of its residents live outside city limits. It is in Washington's 5th congressional district (98%) and Washington's 4th congressional district (1.9%). Its state senate district is Legislative (Senate) District 7; its state house district is Legislative (House) District 7.
See it on the mapAll of Washington
City and county
| City or town | Share of ZIP residents |
|---|---|
| Republic | 33% |
| Curlew Lake | 17% |
| Pine Grove | 4.3% |
| Torboy | 1.4% |
| County | Share of ZIP residents |
|---|---|
| Ferry County | 98% |
| Okanogan County | 1.9% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Republic CCD | 95% |
| Curlew CCD | 2.4% |
| Oroville CCD | 1.9% |
| Colville Reservation CCD | 0.7% |
| East Ferry CCD | land only |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Washington's 5th congressional district (WA-05) | 98% |
| Washington's 4th congressional district (WA-04) | 1.9% |
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 (WA-05) | Michael Baumgartner (R) | 202-225-2006 | 98% |
| U.S. Representative (WA-04) | Dan Newhouse (R) | 202-225-5816 | 1.9% |
| U.S. Senator | Maria Cantwell (D) | 202-224-3441 · contact form | statewide |
| U.S. Senator | Patty Murray (D) | 202-224-2621 · contact form | statewide |
| State Senator (Legislative (Senate) District 7) | Shelly Short (R) | 100% | |
| State Representative (Legislative (House) District 7) | Andrew Engell (R) | 100% | |
| State Representative (Legislative (House) District 7) | Hunter Abell (R) | 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
- Republic website: http://www.republicwa.org/
- Republic laws: search for the Republic, Washington code of ordinances
- Curlew Lake laws: search for the Curlew Lake, Washington code of ordinances
- Pine Grove laws: search for the Pine Grove, Washington code of ordinances
- Ferry County website: https://www.ferry-county.com/
- Ferry County laws: search for the Ferry County, Washington code of ordinances
- Okanogan County website: http://okanogancounty.org
- Okanogan County laws: search for the Okanogan County, Washington code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| Legislative (Senate) District 7 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Legislative (House) District 7 | 100% |
Voting precincts
11 voting precincts overlap ZIP 99166. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:99166")
ZIP 99166 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.