ZIP Code 95674 — Rio Oso, CA
95674 is a standard (street delivery) ZIP code serving Rio Oso, California, in Sutter 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 95674 at a glance
| ZIP code | 95674 |
|---|---|
| Primary city | Rio Oso |
| State | California (CA) |
| County | Sutter FIPS 06101 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 998 |
| Coordinates | 38.953960, -121.481870 |
How ZIP+4 works in 95674
The four digits after the hyphen encode a delivery segment inside 95674. 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 95674 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 95674.
| ZIP | City | Distance |
|---|---|---|
| 95961 | Olivehurst, CA | 6.8 mi |
| 95681 | Sheridan, CA | 7.5 mi |
| 95692 | Wheatland, CA | 7.6 mi |
| 95991 | Yuba City, CA | 8.5 mi |
| 95668 | Pleasant Grove, CA | 8.8 mi |
| 95659 | Nicolaus, CA | 9 mi |
| 95648 | Lincoln, CA | 9.4 mi |
| 95903 | Beale Afb, CA | 12.5 mi |
| 95747 | Roseville, CA | 13.5 mi |
| 95676 | Robbins, CA | 13.8 mi |
| 95993 | Yuba City, CA | 14.1 mi |
| 95765 | Rocklin, CA | 14.3 mi |
Questions about 95674
What is the ZIP+4 code for 95674?
95674 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 95674, you need to look up a specific street address to get them.
What city is 95674?
95674 is assigned to Rio Oso, California, in Sutter 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.