ZIP Code 96124 — Calpine, CA
96124 is a standard (street delivery) ZIP code serving Calpine, California, in Sierra 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 96124 at a glance
| ZIP code | 96124 |
|---|---|
| Primary city | Calpine |
| State | California (CA) |
| County | Sierra FIPS 06091 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 387 |
| Coordinates | 39.639180, -120.461940 |
How ZIP+4 works in 96124
The four digits after the hyphen encode a delivery segment inside 96124. 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 96124 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 96124.
| ZIP | City | Distance |
|---|---|---|
| 96126 | Sierraville, CA | 7.4 mi |
| 96125 | Sierra City, CA | 7.8 mi |
| 96106 | Clio, CA | 7.9 mi |
| 96118 | Loyalton, CA | 11.1 mi |
| 96122 | Portola, CA | 12.6 mi |
| 96129 | Beckwourth, CA | 13.6 mi |
| 96103 | Blairsden Graeagle, CA | 14.9 mi |
| 96135 | Vinton, CA | 18 mi |
| 95936 | Downieville, CA | 18.3 mi |
| 96105 | Chilcoot, CA | 19.6 mi |
| 95944 | Goodyears Bar, CA | 22.4 mi |
| 95910 | Alleghany, CA | 22.9 mi |
Questions about 96124
What is the ZIP+4 code for 96124?
96124 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 96124, you need to look up a specific street address to get them.
What city is 96124?
96124 is assigned to Calpine, California, in Sierra 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.