In which county is ZIP code 45828 located?

ZIP 45828 is listed under Mercer, OH.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 45828: Coldwater, OH

ZIP: 45828

County: Mercer

Coordinates: 40.48460, -84.65170

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 45828, serving Coldwater in OH. It lies in Mercer and supports delivery, planning, and address verification.

Primary City	Coldwater
ZIP Code	45828
County	Mercer
State	OH
Latitude / Longitude	40.48460, -84.65170
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 45828 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 45828 is commonly represented around 40.48460, -84.65170. These coordinates help identify the general area within Mercer, OH.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 45828 for mail delivery and general location reference in Mercer, OH.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Coldwater within OH.

Frequently Asked Questions

What is the primary city for ZIP code 45828?

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

In which county is 45828 located?

ZIP code 45828 is situated within Mercer, OH.

What are the coordinates for 45828?

The approximate center point is 40.48460 (Latitude) and -84.65170 (Longitude).

Is ZIP code 45828 active?

This page lists ZIP 45828 as Listed based on the latest refresh date shown above.

Does ZIP 45828 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