ZIP Code 92561 — Mountain Center, CA
92561 is a standard (street delivery) ZIP code serving Mountain Center, California, in Riverside 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 92561 at a glance
| ZIP code | 92561 |
|---|---|
| Primary city | Mountain Center |
| State | California (CA) |
| County | Riverside FIPS 06065 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 2,157 |
| Coordinates | 33.637040, -116.574410 |
How ZIP+4 works in 92561
The four digits after the hyphen encode a delivery segment inside 92561. 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 92561 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 92561.
| ZIP | City | Distance |
|---|---|---|
| 92264 | Palm Springs, CA | 7.9 mi |
| 92539 | Anza, CA | 9.3 mi |
| 92260 | Palm Desert, CA | 10.6 mi |
| 92270 | Rancho Mirage, CA | 12.2 mi |
| 92234 | Cathedral City, CA | 13.7 mi |
| 92549 | Idyllwild, CA | 14.3 mi |
| 92210 | Indian Wells, CA | 14.3 mi |
| 92262 | Palm Springs, CA | 15.6 mi |
| 92544 | Hemet, CA | 16.4 mi |
| 92211 | Palm Desert, CA | 16.5 mi |
| 92253 | La Quinta, CA | 16.5 mi |
| 92536 | Aguanga, CA | 17.2 mi |
Questions about 92561
What is the ZIP+4 code for 92561?
92561 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 92561, you need to look up a specific street address to get them.
What city is 92561?
92561 is assigned to Mountain Center, California, in Riverside 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.