In which county is ZIP code 45409 located?

ZIP 45409 is listed under Montgomery, OH.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 45409: Dayton, OH

ZIP: 45409

County: Montgomery

Coordinates: 39.72380, -84.18540

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 45409 in Dayton, OH. We include verified county details for Montgomery plus key geographic references used for mapping and logistics.

Primary City	Dayton
ZIP Code	45409
County	Montgomery
State	OH
Latitude / Longitude	39.72380, -84.18540
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 45409 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 45409 are listed as 39.72380 / -84.18540, useful for GPS and service checks in and around Dayton, OH.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 45409 for mail delivery and general location reference in Montgomery, OH.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Dayton within OH.

Frequently Asked Questions

What is the primary city for ZIP code 45409?

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

In which county is 45409 located?

ZIP code 45409 is situated within Montgomery, OH.

What are the coordinates for 45409?

The approximate center point is 39.72380 (Latitude) and -84.18540 (Longitude).

Is ZIP code 45409 active?

This page lists ZIP 45409 as Listed based on the latest refresh date shown above.

Does ZIP 45409 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