In which county is ZIP code 59420 located?

ZIP 59420 is listed under Chouteau, MT.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 59420: Carter, MT

ZIP: 59420

County: Chouteau

Coordinates: 47.78100, -110.97860

ZIP Type: Standard

Time Zone: Mountain Time (MT)

Explore detailed information for ZIP code 59420 in Carter, MT. We include verified county details for Chouteau plus key geographic references used for mapping and logistics.

Primary City	Carter
ZIP Code	59420
County	Chouteau
State	MT
Latitude / Longitude	47.78100, -110.97860
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 59420 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 59420 is approximately 47.78100 (latitude) and -110.97860 (longitude). This location sits within Chouteau, contributing to regional planning across MT.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 59420 for mail delivery and general location reference in Chouteau, MT.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Carter within MT.

Frequently Asked Questions

What is the primary city for ZIP code 59420?

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

In which county is 59420 located?

ZIP code 59420 is situated within Chouteau, MT.

What are the coordinates for 59420?

The approximate center point is 47.78100 (Latitude) and -110.97860 (Longitude).

Is ZIP code 59420 active?

This page lists ZIP 59420 as Listed based on the latest refresh date shown above.

Does ZIP 59420 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