In which county is ZIP code 62258 located?

ZIP 62258 is listed under St. Clair, IL.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 62258: Mascoutah, IL

ZIP: 62258

County: St. Clair

Coordinates: 38.47450, -89.78770

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 62258, serving Mascoutah in IL. It lies in St. Clair and supports delivery, planning, and address verification.

Primary City	Mascoutah
ZIP Code	62258
County	St. Clair
State	IL
Latitude / Longitude	38.47450, -89.78770
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 62258 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 62258 is approximately 38.47450 (latitude) and -89.78770 (longitude). This location sits within St. Clair, contributing to regional planning across IL.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 62258 for mail delivery and general location reference in St. Clair, IL.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Mascoutah within IL.

Frequently Asked Questions

What is the primary city for ZIP code 62258?

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

In which county is 62258 located?

ZIP code 62258 is situated within St. Clair, IL.

What are the coordinates for 62258?

The approximate center point is 38.47450 (Latitude) and -89.78770 (Longitude).

Is ZIP code 62258 active?

This page lists ZIP 62258 as Listed based on the latest refresh date shown above.

Does ZIP 62258 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