In which county is ZIP code 59921 located?

ZIP 59921 is listed under Flathead, MT.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 59921: Lake Mc Donald, MT

ZIP: 59921

County: Flathead

Coordinates: 48.29890, -113.94970

ZIP Type: Standard

Time Zone: Mountain Time (MT)

This profile provides an in-depth look at ZIP code 59921, serving Lake Mc Donald in MT. It lies in Flathead and supports delivery, planning, and address verification.

Primary City	Lake Mc Donald
ZIP Code	59921
County	Flathead
State	MT
Latitude / Longitude	48.29890, -113.94970
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 59921 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 59921 are listed as 48.29890 / -113.94970, useful for GPS and service checks in and around Lake Mc Donald, MT.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 59921 for mail delivery and general location reference in Flathead, MT.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Lake Mc Donald.

Related ZIP Codes (Nearby)

Explore other postal codes near Lake Mc Donald within MT.

Frequently Asked Questions

What is the primary city for ZIP code 59921?

The primary city for this ZIP code is Lake Mc Donald, located in MT.

In which county is 59921 located?

ZIP code 59921 is situated within Flathead, MT.

What are the coordinates for 59921?

The approximate center point is 48.29890 (Latitude) and -113.94970 (Longitude).

Is ZIP code 59921 active?

This page lists ZIP 59921 as Listed based on the latest refresh date shown above.

Does ZIP 59921 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