In which county is ZIP code 50431 located?

ZIP 50431 is listed under Franklin, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 50431: Coulter, IA

ZIP: 50431

County: Franklin

Coordinates: 42.73820, -93.37000

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Coulter, IA postal area 50431. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Coulter
ZIP Code	50431
County	Franklin
State	IA
Latitude / Longitude	42.73820, -93.37000
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 50431 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 50431 is commonly represented around 42.73820, -93.37000. These coordinates help identify the general area within Franklin, IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 50431 for mail delivery and general location reference in Franklin, IA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Coulter within IA.

Frequently Asked Questions

What is the primary city for ZIP code 50431?

The primary city for this ZIP code is Coulter, located in IA.

In which county is 50431 located?

ZIP code 50431 is situated within Franklin, IA.

What are the coordinates for 50431?

The approximate center point is 42.73820 (Latitude) and -93.37000 (Longitude).

Is ZIP code 50431 active?

This page lists ZIP 50431 as Listed based on the latest refresh date shown above.

Does ZIP 50431 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