In which county is ZIP code 59087 located?

ZIP 59087 is listed under Petroleum, MT.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 59087: Winnett, MT

ZIP: 59087

County: Petroleum

Coordinates: 46.94380, -108.31840

ZIP Type: Standard

Time Zone: Mountain Time (MT)

Get a reliable snapshot of the Winnett, MT postal area 59087. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Winnett
ZIP Code	59087
County	Petroleum
State	MT
Latitude / Longitude	46.94380, -108.31840
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 59087 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 59087 are listed as 46.94380 / -108.31840, useful for GPS and service checks in and around Winnett, MT.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 59087 for mail delivery and general location reference in Petroleum, MT.

This ZIP may extend beyond the city core into nearby communities within Petroleum.

Related ZIP Codes (Nearby)

Explore other postal codes near Winnett within MT.

Frequently Asked Questions

What is the primary city for ZIP code 59087?

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

In which county is 59087 located?

ZIP code 59087 is situated within Petroleum, MT.

What are the coordinates for 59087?

The approximate center point is 46.94380 (Latitude) and -108.31840 (Longitude).

Is ZIP code 59087 active?

This page lists ZIP 59087 as Listed based on the latest refresh date shown above.

Does ZIP 59087 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