In which county is ZIP code 61442 located?

ZIP 61442 is listed under Mercer, IL.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 61442: Keithsburg, IL

ZIP: 61442

County: Mercer

Coordinates: 41.10430, -90.92630

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Keithsburg, IL postal area 61442. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Keithsburg
ZIP Code	61442
County	Mercer
State	IL
Latitude / Longitude	41.10430, -90.92630
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 61442 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 61442 is commonly represented around 41.10430, -90.92630. These coordinates help identify the general area within Mercer, IL.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 61442 for mail delivery and general location reference in Mercer, IL.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Keithsburg within IL.

Frequently Asked Questions

What is the primary city for ZIP code 61442?

The primary city for this ZIP code is Keithsburg, located in IL.

In which county is 61442 located?

ZIP code 61442 is situated within Mercer, IL.

What are the coordinates for 61442?

The approximate center point is 41.10430 (Latitude) and -90.92630 (Longitude).

Is ZIP code 61442 active?

This page lists ZIP 61442 as Listed based on the latest refresh date shown above.

Does ZIP 61442 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