Zip code 59403: Great Falls, Montana
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 59403
59403 is a non-residential zip code for Great Falls, Montana (Cascade County). It has no delivery area of its own, so the Census Bureau doesn't publish population or housing figures for it. Codes like this are usually assigned to post office boxes, or to a single organization such as a university, hospital, government agency or large company that gets enough mail to need its own zip code.
For a picture of the people who live around 59403, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Great Falls
- State
- Montana
- County
- Cascade County
- Center point
- 47.5002° N, 111.3008° W
- Time zone
- Mountain Time (UTC-7, UTC-6 in summer)
- Zip type
- PO box or unique zip
Zip codes near 59403
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 59402 | Malmstrom Afb, MT · PO box | 0 mi | — |
| 59401 | Great Falls, MT | 1.3 mi | $55,299 |
| 59414 | Black Eagle, MT | 2.7 mi | $69,545 |
| 59406 | Great Falls, MT · PO box | 8.8 mi | — |
| 59404 | Great Falls, MT | 9.2 mi | $83,867 |
| 59472 | Sand Coulee, MT | 12 mi | $68,036 |
| 59485 | Ulm, MT | 13 mi | $90,286 |
| 59405 | Great Falls, MT | 15 mi | $59,449 |
| 59440 | Floweree, MT | 16 mi | — |
| 59487 | Vaughn, MT | 17 mi | $56,359 |
| 59483 | Sun River, MT | 20 mi | $97,813 |
| 59468 | Power, MT | 22 mi | $82,895 |
Questions about 59403
What city is zip code 59403?
59403 is assigned to Great Falls, Montana. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 59403 in?
59403 is in Cascade County, Montana.
What time zone is 59403 in?
59403 is in Mountain Time.
What zip codes are near 59403?
The closest zip codes to 59403 are 59402, 59401, 59414, 59406, 59404.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 59403, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.