ZIP Code 59105 — Billings, MT
59105 is a standard (street delivery) ZIP code serving Billings, Montana, in Yellowstone 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 59105 at a glance
| ZIP code | 59105 |
|---|---|
| Primary city | Billings |
| State | Montana (MT) |
| County | Yellowstone FIPS 30111 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 35,480 |
| Coordinates | 45.877080, -108.501450 |
How ZIP+4 works in 59105
The four digits after the hyphen encode a delivery segment inside 59105. 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 59105 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.
Other ZIP codes in Billings
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 59105.
| ZIP | City | Distance |
|---|---|---|
| 59102 | Billings, MT | 8 mi |
| 59106 | Billings, MT | 10.5 mi |
| 59002 | Acton, MT | 11.5 mi |
| 59037 | Huntley, MT | 14.1 mi |
| 59079 | Shepherd, MT | 14.2 mi |
| 59101 | Billings, MT | 18.3 mi |
| 59044 | Laurel, MT | 20.1 mi |
| 59006 | Ballantine, MT | 20.1 mi |
| 59015 | Broadview, MT | 21.5 mi |
| 59057 | Molt, MT | 21.8 mi |
| 59063 | Park City, MT | 27.4 mi |
| 59088 | Worden, MT | 28.6 mi |
Questions about 59105
What is the ZIP+4 code for 59105?
59105 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 59105, you need to look up a specific street address to get them.
What city is 59105?
59105 is assigned to Billings, Montana, in Yellowstone 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.