In which county is ZIP code 59323 located?

ZIP 59323 is listed under Rosebud, MT.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 59323: Colstrip, MT

ZIP: 59323

County: Rosebud

Coordinates: 45.93440, -106.63680

ZIP Type: Standard

Time Zone: Mountain Time (MT)

Get a reliable snapshot of the Colstrip, MT postal area 59323. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Colstrip
ZIP Code	59323
County	Rosebud
State	MT
Latitude / Longitude	45.93440, -106.63680
ZIP Type	Standard
Time Zone	Mountain Time (MT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 59323 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 59323 is approximately 45.93440 (latitude) and -106.63680 (longitude). This location sits within Rosebud, contributing to regional planning across MT.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 59323 for mail delivery and general location reference in Rosebud, MT.

Some addresses near Colstrip may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Colstrip within MT.

Frequently Asked Questions

What is the primary city for ZIP code 59323?

The primary city for this ZIP code is Colstrip, located in MT.

In which county is 59323 located?

ZIP code 59323 is situated within Rosebud, MT.

What are the coordinates for 59323?

The approximate center point is 45.93440 (Latitude) and -106.63680 (Longitude).

Is ZIP code 59323 active?

This page lists ZIP 59323 as Listed based on the latest refresh date shown above.

Does ZIP 59323 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

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