ZIP Code 95979 — Stonyford, CA
95979 is a standard (street delivery) ZIP code serving Stonyford, California, in Colusa 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 95979 at a glance
| ZIP code | 95979 |
|---|---|
| Primary city | Stonyford |
| State | California (CA) |
| County | Colusa FIPS 06011 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 558 |
| Coordinates | 39.297710, -122.479130 |
How ZIP+4 works in 95979
The four digits after the hyphen encode a delivery segment inside 95979. 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 95979 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 95979.
| ZIP | City | Distance |
|---|---|---|
| 95955 | Maxwell, CA | 14.7 mi |
| 95988 | Willows, CA | 17.2 mi |
| 95987 | Williams, CA | 17.4 mi |
| 95423 | Clearlake Oaks, CA | 17.8 mi |
| 95939 | Elk Creek, CA | 19.7 mi |
| 95458 | Lucerne, CA | 20.4 mi |
| 95443 | Glenhaven, CA | 22 mi |
| 95464 | Nice, CA | 22.9 mi |
| 95422 | Clearlake, CA | 23.7 mi |
| 95970 | Princeton, CA | 24.1 mi |
| 95485 | Upper Lake, CA | 24.6 mi |
| 95932 | Colusa, CA | 25.4 mi |
Questions about 95979
What is the ZIP+4 code for 95979?
95979 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 95979, you need to look up a specific street address to get them.
What city is 95979?
95979 is assigned to Stonyford, California, in Colusa 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.