ZIP Code 59427 — Cut Bank, MT
59427 is a standard (street delivery) ZIP code serving Cut Bank, Montana, in Glacier 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 59427 at a glance
| ZIP code | 59427 |
|---|---|
| Primary city | Cut Bank |
| State | Montana (MT) |
| County | Glacier FIPS 30035 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 5,008 |
| Coordinates | 48.773570, -112.616390 |
How ZIP+4 works in 59427
The four digits after the hyphen encode a delivery segment inside 59427. 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 59427 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 59427.
| ZIP | City | Distance |
|---|---|---|
| 59417 | Browning, MT | 23.8 mi |
| 59435 | Ethridge, MT | 29.2 mi |
| 59486 | Valier, MT | 32.4 mi |
Questions about 59427
What is the ZIP+4 code for 59427?
59427 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 59427, you need to look up a specific street address to get them.
What city is 59427?
59427 is assigned to Cut Bank, Montana, in Glacier 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.