ZIP code 96025: Dunsmuir, CA
ZIP code 96025 is in Dunsmuir (76% of residents) and Castella (4.9%), in Siskiyou County (95%) and Shasta County (5.5%), California. 19% of its residents live outside city limits. It is in California's 2nd congressional district. Its state senate district is State Senate District 1; its state house district is Assembly District 1.
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| Dunsmuir | 76% |
| Castella | 4.9% |
| County | Share of ZIP residents |
|---|---|
| Siskiyou County | 95% |
| Shasta County | 5.5% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Dunsmuir CCD | 95% |
| Sacramento Canyon CCD | 5.5% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| California's 2nd congressional district (CA-02) | 100% |
Members of Congress
| Office | Member | Contact |
|---|---|---|
| U.S. Representative (CA-02) | Jared Huffman (D) | 202-225-5161 |
| U.S. Senator | Adam B. Schiff (D) | 202-224-3841 |
| U.S. Senator | Alex Padilla (D) | 202-224-3553 · contact form |
Elected in 2024 under CA's previous congressional map; this district's lines changed for the 120th Congress (seated January 3, 2027).
Members serving now (119th Congress, until January 3, 2027). Source: Members of Congress: the @unitedstates project, congress-legislators (CC0).
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 1 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 1 | 100% |
Voting precincts
5 voting precincts overlap ZIP 96025. Map them, with each precinct's share of the ZIP's residents.
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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:96025")
ZIP 96025 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.