In which county is ZIP code 62420 located?

ZIP 62420 is listed under Clark, IL.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 62420: Casey, IL

ZIP: 62420

County: Clark

Coordinates: 39.30170, -87.99130

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 62420, serving Casey in IL. It lies in Clark and supports delivery, planning, and address verification.

Primary City	Casey
ZIP Code	62420
County	Clark
State	IL
Latitude / Longitude	39.30170, -87.99130
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 62420 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 62420 are listed as 39.30170 / -87.99130, useful for GPS and service checks in and around Casey, IL.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 62420 for mail delivery and general location reference in Clark, IL.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Casey within IL.

Frequently Asked Questions

What is the primary city for ZIP code 62420?

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

In which county is 62420 located?

ZIP code 62420 is situated within Clark, IL.

What are the coordinates for 62420?

The approximate center point is 39.30170 (Latitude) and -87.99130 (Longitude).

Is ZIP code 62420 active?

This page lists ZIP 62420 as Listed based on the latest refresh date shown above.

Does ZIP 62420 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