In which county is ZIP code 45638 located?

ZIP 45638 is listed under Lawrence, OH.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 45638: Ironton, OH

ZIP: 45638

County: Lawrence

Coordinates: 38.52940, -82.66540

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Ironton, OH postal area 45638. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Ironton
ZIP Code	45638
County	Lawrence
State	OH
Latitude / Longitude	38.52940, -82.66540
ZIP Type	Standard
Time Zone	Eastern Time (ET)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 45638 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 45638 is commonly represented around 38.52940, -82.66540. These coordinates help identify the general area within Lawrence, OH.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 45638 for mail delivery and general location reference in Lawrence, OH.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Ironton within OH.

Frequently Asked Questions

What is the primary city for ZIP code 45638?

The primary city for this ZIP code is Ironton, located in OH.

In which county is 45638 located?

ZIP code 45638 is situated within Lawrence, OH.

What are the coordinates for 45638?

The approximate center point is 38.52940 (Latitude) and -82.66540 (Longitude).

Is ZIP code 45638 active?

This page lists ZIP 45638 as Listed based on the latest refresh date shown above.

Does ZIP 45638 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