In which county is ZIP code 62951 located?

ZIP 62951 is listed under Williamson, IL.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 62951: Johnston City, IL

ZIP: 62951

County: Williamson

Coordinates: 37.82450, -88.92090

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 62951, serving Johnston City in IL. It lies in Williamson and supports delivery, planning, and address verification.

Primary City	Johnston City
ZIP Code	62951
County	Williamson
State	IL
Latitude / Longitude	37.82450, -88.92090
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 62951 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 62951 are listed as 37.82450 / -88.92090, useful for GPS and service checks in and around Johnston City, IL.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 62951 for mail delivery and general location reference in Williamson, IL.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Johnston City within IL.

Frequently Asked Questions

What is the primary city for ZIP code 62951?

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

In which county is 62951 located?

ZIP code 62951 is situated within Williamson, IL.

What are the coordinates for 62951?

The approximate center point is 37.82450 (Latitude) and -88.92090 (Longitude).

Is ZIP code 62951 active?

This page lists ZIP 62951 as Listed based on the latest refresh date shown above.

Does ZIP 62951 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