ZIP Code 92251 — Imperial, CA
92251 is a standard (street delivery) ZIP code serving Imperial, California, in Imperial 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 92251 at a glance
| ZIP code | 92251 |
|---|---|
| Primary city | Imperial |
| State | California (CA) |
| County | Imperial FIPS 06025 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 27,454 |
| Coordinates | 32.871290, -115.718040 |
How ZIP+4 works in 92251
The four digits after the hyphen encode a delivery segment inside 92251. 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 92251 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 92251.
| ZIP | City | Distance |
|---|---|---|
| 92273 | Seeley, CA | 4.6 mi |
| 92243 | El Centro, CA | 9.6 mi |
| 92281 | Westmorland, CA | 13.8 mi |
| 92231 | Calexico, CA | 15.5 mi |
| 92259 | Ocotillo, CA | 16.2 mi |
| 92249 | Heber, CA | 16.9 mi |
| 92233 | Calipatria, CA | 22.6 mi |
| 92227 | Brawley, CA | 23.6 mi |
| 92275 | Salton City, CA | 25.1 mi |
| 92250 | Holtville, CA | 28.6 mi |
| 91934 | Jacumba, CA | 29.7 mi |
| 92004 | Borrego Springs, CA | 33.4 mi |
Questions about 92251
What is the ZIP+4 code for 92251?
92251 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 92251, you need to look up a specific street address to get them.
What city is 92251?
92251 is assigned to Imperial, California, in Imperial 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.