ZIP Code 93451 — San Miguel, CA
93451 is a standard (street delivery) ZIP code serving San Miguel, California, in Monterey 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 93451 at a glance
| ZIP code | 93451 |
|---|---|
| Primary city | San Miguel |
| State | California (CA) |
| County | Monterey FIPS 06053 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 5,207 |
| Coordinates | 35.893980, -120.567330 |
How ZIP+4 works in 93451
The four digits after the hyphen encode a delivery segment inside 93451. 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 93451 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 93451.
| ZIP | City | Distance |
|---|---|---|
| 93446 | Paso Robles, CA | 18.3 mi |
| 93450 | San Ardo, CA | 18.5 mi |
| 93210 | Coalinga, CA | 22.1 mi |
| 93426 | Bradley, CA | 22.9 mi |
| 93461 | Shandon, CA | 24.4 mi |
| 93465 | Templeton, CA | 26 mi |
| 93954 | San Lucas, CA | 27.3 mi |
| 93204 | Avenal, CA | 27.9 mi |
| 93932 | Lockwood, CA | 28.4 mi |
| 93432 | Creston, CA | 29.3 mi |
| 93422 | Atascadero, CA | 30.5 mi |
| 93428 | Cambria, CA | 33.3 mi |
Questions about 93451
What is the ZIP+4 code for 93451?
93451 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 93451, you need to look up a specific street address to get them.
What city is 93451?
93451 is assigned to San Miguel, California, in Monterey 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.