ZIP Code 95977 — Smartsville, CA
95977 is a standard (street delivery) ZIP code serving Smartsville, California, in Yuba 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 95977 at a glance
| ZIP code | 95977 |
|---|---|
| Primary city | Smartsville |
| State | California (CA) |
| County | Yuba FIPS 06115 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 1,780 |
| Coordinates | 39.179670, -121.290070 |
How ZIP+4 works in 95977
The four digits after the hyphen encode a delivery segment inside 95977. 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 95977 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 95977.
| ZIP | City | Distance |
|---|---|---|
| 95946 | Penn Valley, CA | 5 mi |
| 95903 | Beale Afb, CA | 6.3 mi |
| 95975 | Rough And Ready, CA | 7.9 mi |
| 95918 | Browns Valley, CA | 8.9 mi |
| 95949 | Grass Valley, CA | 9.9 mi |
| 95962 | Oregon House, CA | 10.2 mi |
| 95692 | Wheatland, CA | 11 mi |
| 95901 | Marysville, CA | 11 mi |
| 95681 | Sheridan, CA | 13 mi |
| 95935 | Dobbins, CA | 14.3 mi |
| 95602 | Auburn, CA | 16.2 mi |
| 95914 | Bangor, CA | 16.4 mi |
Questions about 95977
What is the ZIP+4 code for 95977?
95977 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 95977, you need to look up a specific street address to get them.
What city is 95977?
95977 is assigned to Smartsville, California, in Yuba 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.