In which county is ZIP code 43143 located?

ZIP 43143 is listed under Madison, OH.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 43143: Mount Sterling, OH

ZIP: 43143

County: Madison

Coordinates: 39.71750, -83.28060

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Mount Sterling, OH postal area 43143. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Mount Sterling
ZIP Code	43143
County	Madison
State	OH
Latitude / Longitude	39.71750, -83.28060
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 43143 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 43143 is approximately 39.71750 (latitude) and -83.28060 (longitude). This location sits within Madison, contributing to regional planning across OH.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 43143 for mail delivery and general location reference in Madison, OH.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Mount Sterling.

Related ZIP Codes (Nearby)

Explore other postal codes near Mount Sterling within OH.

Frequently Asked Questions

What is the primary city for ZIP code 43143?

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

In which county is 43143 located?

ZIP code 43143 is situated within Madison, OH.

What are the coordinates for 43143?

The approximate center point is 39.71750 (Latitude) and -83.28060 (Longitude).

Is ZIP code 43143 active?

This page lists ZIP 43143 as Listed based on the latest refresh date shown above.

Does ZIP 43143 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