ZIP Code 59215 — Circle, MT
59215 is a standard (street delivery) ZIP code serving Circle, Montana, in McCone 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 59215 at a glance
| ZIP code | 59215 |
|---|---|
| Primary city | Circle |
| State | Montana (MT) |
| County | McCone FIPS 30055 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 1,015 |
| Coordinates | 47.504310, -105.745430 |
How ZIP+4 works in 59215
The four digits after the hyphen encode a delivery segment inside 59215. 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 59215 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 59215.
| ZIP | City | Distance |
|---|---|---|
| 59214 | Brockway, MT | 20 mi |
| 59274 | Vida, MT | 27.6 mi |
| 59339 | Lindsay, MT | 31.9 mi |
| 59223 | Fort Peck, MT | 34.5 mi |
| 59312 | Angela, MT | 39.5 mi |
Questions about 59215
What is the ZIP+4 code for 59215?
59215 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 59215, you need to look up a specific street address to get them.
What city is 59215?
59215 is assigned to Circle, Montana, in McCone 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.