ZIP Code 91752 — Mira Loma, CA
91752 is a standard (street delivery) ZIP code serving Mira Loma, 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 91752 at a glance
| ZIP code | 91752 |
|---|---|
| Primary city | Mira Loma |
| State | California (CA) |
| County | Riverside FIPS 06065 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 37,983 |
| Coordinates | 33.995750, -117.533990 |
How ZIP+4 works in 91752
The four digits after the hyphen encode a delivery segment inside 91752. 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 91752 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 91752.
| ZIP | City | Distance |
|---|---|---|
| 91761 | Ontario, CA | 4.3 mi |
| 92860 | Norco, CA | 4.9 mi |
| 92509 | Jurupa Valley, CA | 5.1 mi |
| 92337 | Fontana, CA | 5.2 mi |
| 92505 | Riverside, CA | 5.3 mi |
| 91762 | Ontario, CA | 6.6 mi |
| 91764 | Ontario, CA | 6.7 mi |
| 92880 | Eastvale, CA | 6.8 mi |
| 91708 | Chino, CA | 7.1 mi |
| 92335 | Fontana, CA | 7.4 mi |
| 91730 | Rancho Cucamonga, CA | 7.7 mi |
| 92879 | Corona, CA | 8 mi |
Questions about 91752
What is the ZIP+4 code for 91752?
91752 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 91752, you need to look up a specific street address to get them.
What city is 91752?
91752 is assigned to Mira Loma, 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.