In which county is ZIP code 53066 located?

ZIP 53066 is listed under Waukesha, WI.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 53066: Oconomowoc, WI

ZIP: 53066

County: Waukesha

Coordinates: 43.10950, -88.48620

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 53066, serving Oconomowoc in WI. It lies in Waukesha and supports delivery, planning, and address verification.

Primary City	Oconomowoc
ZIP Code	53066
County	Waukesha
State	WI
Latitude / Longitude	43.10950, -88.48620
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 53066 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 53066 is commonly represented around 43.10950, -88.48620. These coordinates help identify the general area within Waukesha, WI.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 53066 for mail delivery and general location reference in Waukesha, WI.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Oconomowoc within WI.

Frequently Asked Questions

What is the primary city for ZIP code 53066?

The primary city for this ZIP code is Oconomowoc, located in WI.

In which county is 53066 located?

ZIP code 53066 is situated within Waukesha, WI.

What are the coordinates for 53066?

The approximate center point is 43.10950 (Latitude) and -88.48620 (Longitude).

Is ZIP code 53066 active?

This page lists ZIP 53066 as Listed based on the latest refresh date shown above.

Does ZIP 53066 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