ZIP Code 95228 — Copperopolis, CA
95228 is a standard (street delivery) ZIP code serving Copperopolis, California, in Calaveras 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 95228 at a glance
| ZIP code | 95228 |
|---|---|
| Primary city | Copperopolis |
| State | California (CA) |
| County | Calaveras FIPS 06009 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 4,611 |
| Coordinates | 37.946690, -120.680670 |
How ZIP+4 works in 95228
The four digits after the hyphen encode a delivery segment inside 95228. 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 95228 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 95228.
| ZIP | City | Distance |
|---|---|---|
| 95222 | Angels Camp, CA | 8.6 mi |
| 95230 | Farmington, CA | 10.2 mi |
| 95221 | Altaville, CA | 11.3 mi |
| 95361 | Oakdale, CA | 11.8 mi |
| 95327 | Jamestown, CA | 12.6 mi |
| 95309 | Chinese Camp, CA | 14.4 mi |
| 95251 | Vallecito, CA | 15.2 mi |
| 95249 | San Andreas, CA | 17.1 mi |
| 95252 | Valley Springs, CA | 17.1 mi |
| 95370 | Sonora, CA | 18.4 mi |
| 95247 | Murphys, CA | 18.7 mi |
| 95386 | Waterford, CA | 19 mi |
Questions about 95228
What is the ZIP+4 code for 95228?
95228 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 95228, you need to look up a specific street address to get them.
What city is 95228?
95228 is assigned to Copperopolis, California, in Calaveras 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.