Boulder, MT ZIP Codes, Coordinates & Counties
Boulder, Montana has 1 ZIP code in Jefferson county. The approximate center of Boulder is 46.177, -112.022. Boulder has about 24,902 known street addresses.
ZIP codes in Boulder, MT
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 59632 | Jefferson | 46.177 | -112.022 |
Counties Boulder spans
Jefferson
Most common streets in Boulder
2nd, Jackson, Adams, 4th, Monroe, Washington, Main, Centennial, 3rd, 1st
Frequently asked questions
What ZIP codes are in Boulder, MT?
Boulder, Montana has 1 ZIP code, ranging from 59632 to 59632. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Boulder, MT in?
Boulder is in Jefferson county.
What are the latitude and longitude of Boulder, MT?
The approximate center of Boulder, Montana is latitude 46.177, longitude -112.022. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Boulder, MT have?
Boulder has 1 ZIP code.
How many addresses are in Boulder, MT?
Boulder, Montana has about 24,902 known street addresses in the sthan.io US address database.
What are the most common streets in Boulder, MT?
Some of the most common street names in Boulder are 2nd, Jackson, Adams, 4th, Monroe, Washington.
What cities are near Boulder, MT?
Cities near Boulder include Jefferson City (13 mi), Basin (19 mi), Clancy (20 mi), Toston (21 mi), Cardwell (22 mi).
Cities near Boulder
Jefferson City, MT (13 mi) Basin, MT (19 mi) Clancy, MT (20 mi) Toston, MT (21 mi) Cardwell, MT (22 mi) Whitehall, MT (24 mi) Winston, MT (27 mi) East Helena, MT (28 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database