ZIP Code 59730 — Gallatin Gateway, MT
59730 is a standard (street delivery) ZIP code serving Gallatin Gateway, Montana, in Gallatin 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 59730 at a glance
| ZIP code | 59730 |
|---|---|
| Primary city | Gallatin Gateway |
| State | Montana (MT) |
| County | Gallatin FIPS 30031 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 2,399 |
| Coordinates | 45.309880, -111.190250 |
How ZIP+4 works in 59730
The four digits after the hyphen encode a delivery segment inside 59730. 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 59730 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 59730.
| ZIP | City | Distance |
|---|---|---|
| 59716 | Big Sky, MT | 9.7 mi |
| 59027 | Emigrant, MT | 14.2 mi |
| 59729 | Ennis, MT | 22.2 mi |
| 59718 | Bozeman, MT | 22.8 mi |
| 59065 | Pray, MT | 25 mi |
| 59745 | Norris, MT | 28.2 mi |
| 59715 | Bozeman, MT | 29.8 mi |
| 59720 | Cameron, MT | 31.2 mi |
| 59030 | Gardiner, MT | 32.7 mi |
| 59741 | Manhattan, MT | 33 mi |
| 59760 | Willow Creek, MT | 37.1 mi |
Questions about 59730
What is the ZIP+4 code for 59730?
59730 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 59730, you need to look up a specific street address to get them.
What city is 59730?
59730 is assigned to Gallatin Gateway, Montana, in Gallatin 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.