In which county is ZIP code 43066 located?

ZIP 43066 is listed under Delaware, OH.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 43066: Radnor, OH

ZIP: 43066

County: Delaware

Coordinates: 40.39180, -83.17810

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Radnor, OH postal area 43066. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Radnor
ZIP Code	43066
County	Delaware
State	OH
Latitude / Longitude	40.39180, -83.17810
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 43066 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 43066 is approximately 40.39180 (latitude) and -83.17810 (longitude). This location sits within Delaware, contributing to regional planning across OH.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 43066 for mail delivery and general location reference in Delaware, OH.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Radnor within OH.

Frequently Asked Questions

What is the primary city for ZIP code 43066?

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

In which county is 43066 located?

ZIP code 43066 is situated within Delaware, OH.

What are the coordinates for 43066?

The approximate center point is 40.39180 (Latitude) and -83.17810 (Longitude).

Is ZIP code 43066 active?

This page lists ZIP 43066 as Listed based on the latest refresh date shown above.

Does ZIP 43066 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