In which county is ZIP code 59623 located?

ZIP 59623 is listed under Lewis and Clark, MT.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 59623: Helena, MT

ZIP: 59623

County: Lewis and Clark

Coordinates: 46.59010, -112.04020

ZIP Type: Standard

Time Zone: Mountain Time (MT)

Get a reliable snapshot of the Helena, MT postal area 59623. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Helena
ZIP Code	59623
County	Lewis and Clark
State	MT
Latitude / Longitude	46.59010, -112.04020
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 59623 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 59623 are listed as 46.59010 / -112.04020, useful for GPS and service checks in and around Helena, MT.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 59623 for mail delivery and general location reference in Lewis and Clark, MT.

This ZIP may extend beyond the city core into nearby communities within Lewis and Clark.

Related ZIP Codes (Nearby)

Explore other postal codes near Helena within MT.

Frequently Asked Questions

What is the primary city for ZIP code 59623?

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

In which county is 59623 located?

ZIP code 59623 is situated within Lewis and Clark, MT.

What are the coordinates for 59623?

The approximate center point is 46.59010 (Latitude) and -112.04020 (Longitude).

Is ZIP code 59623 active?

This page lists ZIP 59623 as Listed based on the latest refresh date shown above.

Does ZIP 59623 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