ZIP Code 95631 — Foresthill, CA
95631 is a standard (street delivery) ZIP code serving Foresthill, California, in Placer 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 95631 at a glance
| ZIP code | 95631 |
|---|---|
| Primary city | Foresthill |
| State | California (CA) |
| County | Placer FIPS 06061 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 6,946 |
| Coordinates | 39.054530, -120.753650 |
How ZIP+4 works in 95631
The four digits after the hyphen encode a delivery segment inside 95631. 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 95631 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 95631.
| ZIP | City | Distance |
|---|---|---|
| 95717 | Gold Run, CA | 7.7 mi |
| 95713 | Colfax, CA | 9.6 mi |
| 95634 | Georgetown, CA | 10.3 mi |
| 95714 | Dutch Flat, CA | 11.1 mi |
| 95701 | Alta, CA | 11.9 mi |
| 95736 | Weimar, CA | 12 mi |
| 95635 | Greenwood, CA | 12.6 mi |
| 95703 | Applegate, CA | 13.2 mi |
| 95633 | Garden Valley, CA | 14.7 mi |
| 95722 | Meadow Vista, CA | 15.1 mi |
| 95945 | Grass Valley, CA | 15.6 mi |
| 95715 | Emigrant Gap, CA | 16.3 mi |
Questions about 95631
What is the ZIP+4 code for 95631?
95631 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 95631, you need to look up a specific street address to get them.
What city is 95631?
95631 is assigned to Foresthill, California, in Placer 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.