In which county is ZIP code 50240 located?

ZIP 50240 is listed under Madison, IA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 50240: Saint Charles, IA

ZIP: 50240

County: Madison

Coordinates: 41.29240, -93.82420

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Saint Charles, IA postal area 50240. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Saint Charles
ZIP Code	50240
County	Madison
State	IA
Latitude / Longitude	41.29240, -93.82420
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 50240 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 50240 is commonly represented around 41.29240, -93.82420. These coordinates help identify the general area within Madison, IA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 50240 for mail delivery and general location reference in Madison, IA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Saint Charles within IA.

Frequently Asked Questions

What is the primary city for ZIP code 50240?

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

In which county is 50240 located?

ZIP code 50240 is situated within Madison, IA.

What are the coordinates for 50240?

The approximate center point is 41.29240 (Latitude) and -93.82420 (Longitude).

Is ZIP code 50240 active?

This page lists ZIP 50240 as Listed based on the latest refresh date shown above.

Does ZIP 50240 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