In which county is ZIP code 58631 located?

ZIP 58631 is listed under Morton, ND.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 58631: Glen Ullin, ND

ZIP: 58631

County: Morton

Coordinates: 46.82330, -101.82230

ZIP Type: Standard

Time Zone: Mountain Time (MT)

Get a reliable snapshot of the Glen Ullin, ND postal area 58631. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Glen Ullin
ZIP Code	58631
County	Morton
State	ND
Latitude / Longitude	46.82330, -101.82230
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 58631 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 58631 are listed as 46.82330 / -101.82230, useful for GPS and service checks in and around Glen Ullin, ND.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 58631 for mail delivery and general location reference in Morton, ND.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Glen Ullin within ND.

Frequently Asked Questions

What is the primary city for ZIP code 58631?

The primary city for this ZIP code is Glen Ullin, located in ND.

In which county is 58631 located?

ZIP code 58631 is situated within Morton, ND.

What are the coordinates for 58631?

The approximate center point is 46.82330 (Latitude) and -101.82230 (Longitude).

Is ZIP code 58631 active?

This page lists ZIP 58631 as Listed based on the latest refresh date shown above.

Does ZIP 58631 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