ZIP Code 93021 — Moorpark, CA
93021 is a standard (street delivery) ZIP code serving Moorpark, California, in Ventura County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 93021 at a glance
| ZIP code | 93021 |
|---|---|
| Primary city | Moorpark |
| State | California (CA) |
| County | Ventura FIPS 06111 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 37,746 |
| Coordinates | 34.304170, -118.882740 |
How ZIP+4 works in 93021
The four digits after the hyphen encode a delivery segment inside 93021. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 93021 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 93021.
| ZIP | City | Distance |
|---|---|---|
| 91360 | Thousand Oaks, CA | 6.2 mi |
| 93065 | Simi Valley, CA | 7 mi |
| 93015 | Fillmore, CA | 7.3 mi |
| 93066 | Somis, CA | 8.4 mi |
| 91362 | Thousand Oaks, CA | 8.5 mi |
| 93012 | Camarillo, CA | 9.3 mi |
| 91320 | Newbury Park, CA | 9.8 mi |
| 91377 | Oak Park, CA | 10.6 mi |
| 93063 | Simi Valley, CA | 11 mi |
| 93064 | Brandeis, CA | 11.2 mi |
| 91361 | Westlake Village, CA | 11.3 mi |
| 93010 | Camarillo, CA | 12.1 mi |
Questions about 93021
What is the ZIP+4 code for 93021?
93021 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 93021, you need to look up a specific street address to get them.
What city is 93021?
93021 is assigned to Moorpark, California, in Ventura County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.