In which county is ZIP code 59604 located?

ZIP 59604 is listed under Lewis and Clark, MT.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 59604: Helena, MT

ZIP: 59604

County: Lewis and Clark

Coordinates: 46.66720, -111.96890

ZIP Type: Standard

Time Zone: Mountain Time (MT)

This profile provides an in-depth look at ZIP code 59604, serving Helena in MT. It lies in Lewis and Clark and supports delivery, planning, and address verification.

Primary City	Helena
ZIP Code	59604
County	Lewis and Clark
State	MT
Latitude / Longitude	46.66720, -111.96890
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 59604 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 59604 is approximately 46.66720 (latitude) and -111.96890 (longitude). This location sits within Lewis and Clark, contributing to regional planning across MT.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 59604 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 59604?

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

In which county is 59604 located?

ZIP code 59604 is situated within Lewis and Clark, MT.

What are the coordinates for 59604?

The approximate center point is 46.66720 (Latitude) and -111.96890 (Longitude).

Is ZIP code 59604 active?

This page lists ZIP 59604 as Listed based on the latest refresh date shown above.

Does ZIP 59604 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