ZIP Code 93030 — Oxnard, CA
93030 is a standard (street delivery) ZIP code serving Oxnard, 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 93030 at a glance
| ZIP code | 93030 |
|---|---|
| Primary city | Oxnard |
| State | California (CA) |
| County | Ventura FIPS 06111 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 58,192 |
| Coordinates | 34.205100, -119.175300 |
How ZIP+4 works in 93030
The four digits after the hyphen encode a delivery segment inside 93030. 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 93030 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.
Other ZIP codes in Oxnard
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 93030.
| ZIP | City | Distance |
|---|---|---|
| 93043 | Port Hueneme Cbc Base, CA | 2.9 mi |
| 93036 | Oxnard, CA | 3.2 mi |
| 93035 | Oxnard, CA | 3.2 mi |
| 93041 | Port Hueneme, CA | 3.8 mi |
| 93033 | Oxnard, CA | 4.6 mi |
| 93004 | Ventura, CA | 5.1 mi |
| 93010 | Camarillo, CA | 6 mi |
| 93003 | Ventura, CA | 6.1 mi |
| 93066 | Somis, CA | 10.2 mi |
| 93012 | Camarillo, CA | 10.4 mi |
| 93060 | Santa Paula, CA | 12 mi |
| 93001 | Ventura, CA | 13.1 mi |
Questions about 93030
What is the ZIP+4 code for 93030?
93030 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 93030, you need to look up a specific street address to get them.
What city is 93030?
93030 is assigned to Oxnard, 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.
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