ZIP Code 93446 — Paso Robles, CA
93446 is a standard (street delivery) ZIP code serving Paso Robles, California, in San Luis Obispo 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 93446 at a glance
| ZIP code | 93446 |
|---|---|
| Primary city | Paso Robles |
| State | California (CA) |
| County | San Luis Obispo FIPS 06079 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 45,554 |
| Coordinates | 35.658610, -120.718880 |
How ZIP+4 works in 93446
The four digits after the hyphen encode a delivery segment inside 93446. 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 93446 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 93446.
| ZIP | City | Distance |
|---|---|---|
| 93465 | Templeton, CA | 8 mi |
| 93422 | Atascadero, CA | 13.5 mi |
| 93430 | Cayucos, CA | 16.3 mi |
| 93428 | Cambria, CA | 18 mi |
| 93451 | San Miguel, CA | 18.3 mi |
| 93442 | Morro Bay, CA | 18.5 mi |
| 93432 | Creston, CA | 18.7 mi |
| 93426 | Bradley, CA | 19.2 mi |
| 93409 | San Luis Obispo, CA | 23.2 mi |
| 93408 | San Luis Obispo, CA | 23.3 mi |
| 93407 | San Luis Obispo, CA | 24.4 mi |
| 93410 | San Luis Obispo, CA | 24.7 mi |
Questions about 93446
What is the ZIP+4 code for 93446?
93446 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 93446, you need to look up a specific street address to get them.
What city is 93446?
93446 is assigned to Paso Robles, California, in San Luis Obispo 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.