ZIP Code 59231: Saint Marie, MT
County: Valley
Coordinates: 48.40390, -106.54280
ZIP Type: Standard
Time Zone: Mountain Time (MT)
This profile provides an in-depth look at ZIP code 59231, serving Saint Marie in MT. It lies in Valley and supports delivery, planning, and address verification.
| Primary City | Saint Marie |
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| ZIP Code | 59231 |
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| County | Valley |
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| State | MT |
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| Latitude / Longitude | 48.40390, -106.54280 |
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| ZIP Type | Standard |
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| Time Zone | Mountain Time (MT) |
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| Data Updated | 2026-01-08 |
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Maps & Useful Links
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These links show the approximate center point for ZIP 59231 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 59231 are listed as 48.40390 / -106.54280, useful for GPS and service checks in and around Saint Marie, MT.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 59231 for mail delivery and general location reference in
Valley,
MT.
Some addresses near Saint Marie may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near Saint Marie within MT.
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Frequently Asked Questions
What is the primary city for ZIP code 59231?
The primary city for this ZIP code is Saint Marie, located in MT.
In which county is 59231 located?
ZIP code 59231 is situated within Valley, MT.
What are the coordinates for 59231?
The approximate center point is 48.40390 (Latitude) and -106.54280 (Longitude).
Is ZIP code 59231 active?
This page lists ZIP 59231 as Listed based on the latest refresh date shown above.
Does ZIP 59231 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
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Methodology & Data Notes
How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.
Page updated: 2026-01-08