ZIP Code 91358 — Thousand Oaks, California
📍 ZIP code 91358 is in Thousand Oaks, Ventura County, California.
ZIP code 91358 is a PO Box ZIP code assigned by the U.S. Postal Service in Thousand Oaks, Ventura County, California. It serves post office boxes at a Thousand Oaks post office rather than street addresses, which is why the Census Bureau reports no resident population, income or housing figures for it. Mail addressed to 91358 is handled in the Pacific Time Zone and the local area code is 818. The demographic profile of the surrounding community is on the standard delivery ZIP pages for Thousand Oaks listed below.
Why there are no demographics for 91358
The Census Bureau publishes demographics for ZIP Code Tabulation Areas (ZCTAs), which are built from populated census blocks. A PO Box ZIP like 91358 has no delivery territory of its own, so there is no ZCTA and no population, income, housing or education estimate to report. This is normal: Ventura County and the rest of California have hundreds of PO Box and unique ZIPs of this kind.
For the community around Thousand Oaks, use the delivery ZIPs that do carry Census data:
How ZIPs and ZCTAs differ is explained on the methodology page.
Nearby Zip Codes
Cities & Places Served
ZIP code 91358 primarily serves Thousand Oaks in Ventura County, California.