ZIP Code 96084 — Round Mountain, CA
96084 is a standard (street delivery) ZIP code serving Round Mountain, California, in Shasta 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 96084 at a glance
| ZIP code | 96084 |
|---|---|
| Primary city | Round Mountain |
| State | California (CA) |
| County | Shasta FIPS 06089 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 671 |
| Coordinates | 40.793950, -121.915190 |
How ZIP+4 works in 96084
The four digits after the hyphen encode a delivery segment inside 96084. 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 96084 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 96084.
| ZIP | City | Distance |
|---|---|---|
| 96065 | Montgomery Creek, CA | 6.3 mi |
| 96069 | Oak Run, CA | 9.6 mi |
| 96096 | Whitmore, CA | 11 mi |
| 96008 | Bella Vista, CA | 11 mi |
| 96013 | Burney, CA | 17.4 mi |
| 96062 | Millville, CA | 17.7 mi |
| 96011 | Big Bend, CA | 18.2 mi |
| 96088 | Shingletown, CA | 19.7 mi |
| 96073 | Palo Cedro, CA | 20.7 mi |
| 96016 | Cassel, CA | 22 mi |
| 96003 | Redding, CA | 22.7 mi |
| 96040 | Hat Creek, CA | 23 mi |
Questions about 96084
What is the ZIP+4 code for 96084?
96084 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 96084, you need to look up a specific street address to get them.
What city is 96084?
96084 is assigned to Round Mountain, California, in Shasta 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.