ZIP code 98859: Okanogan County, WA
ZIP code 98859 is in Okanogan County, Washington, outside any city or Census-designated place. It is in Washington's 4th congressional district. 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
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Okanogan County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Oroville CCD | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Washington's 4th congressional district (WA-04) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (WA-04) | Dan Newhouse (R) | 202-225-5816 | 100% |
| 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
- 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
2 voting precincts overlap ZIP 98859. 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:98859")
ZIP 98859 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.