ZIP code 93063: Simi Valley, CA
ZIP code 93063 is in Simi Valley (97% of residents) and Santa Susana (2.1%), in Ventura County, California. It is in California's 32nd congressional district (100%) and California's 26th congressional district (0.2%). Its state senate districts are State Senate District 27 (100%) and State Senate District 21 (0.2%); its state house districts are Assembly District 42 (100%) and Assembly District 38 (<0.1%).
See it on the mapAll of California
City and county
| City or town | Share of ZIP residents |
|---|---|
| Simi Valley | 97% |
| Santa Susana | 2.1% |
| County | Share of ZIP residents |
|---|---|
| Ventura County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Simi Valley CCD | 100% |
| Fillmore CCD | <0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| California's 32nd congressional district (CA-32) | 100% |
| California's 26th congressional district (CA-26) | 0.2% |
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.
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 27 | 100% |
| State Senate District 21 | 0.2% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 42 | 100% |
| Assembly District 38 | <0.1% |
Voting precincts
59 voting precincts overlap ZIP 93063. 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:93063")
ZIP 93063 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.