In which county is ZIP code 45431 located?

ZIP 45431 is listed under Greene, OH.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 45431: Dayton, OH

ZIP: 45431

County: Greene

Coordinates: 39.75740, -84.05690

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Dayton, OH postal area 45431. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Dayton
ZIP Code	45431
County	Greene
State	OH
Latitude / Longitude	39.75740, -84.05690
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 45431 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 45431 is approximately 39.75740 (latitude) and -84.05690 (longitude). This location sits within Greene, contributing to regional planning across OH.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 45431 for mail delivery and general location reference in Greene, OH.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Dayton within OH.

Frequently Asked Questions

What is the primary city for ZIP code 45431?

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

In which county is 45431 located?

ZIP code 45431 is situated within Greene, OH.

What are the coordinates for 45431?

The approximate center point is 39.75740 (Latitude) and -84.05690 (Longitude).

Is ZIP code 45431 active?

This page lists ZIP 45431 as Listed based on the latest refresh date shown above.

Does ZIP 45431 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