ZIP code 98556: Thurston County, WA
ZIP code 98556 is in Thurston County, Washington, outside any city or Census-designated place. It is in Washington's 10th congressional district. Its state senate district is Legislative (Senate) District 35; its state house district is Legislative (House) District 35.
See it on the mapAll of Washington
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Thurston County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Thurston South CCD | 100% |
| Olympia West CCD | land only |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Washington's 10th congressional district (WA-10) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (WA-10) | Marilyn Strickland (D) | 202-225-9740 | 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 35) | Drew MacEwen (R) | 100% | |
| State Representative (Legislative (House) District 35) | Dan Griffey (R) | 100% | |
| State Representative (Legislative (House) District 35) | Travis Couture (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
- Thurston County website: https://thurstoncountywa.gov
- Thurston County laws: search for the Thurston County, Washington code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| Legislative (Senate) District 35 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Legislative (House) District 35 | 100% |
Voting precincts
1 voting precinct overlap ZIP 98556. 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:98556")
ZIP 98556 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.