In which county is ZIP code 53040 located?

ZIP 53040 is listed under Washington, WI.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 53040: Kewaskum, WI

ZIP: 53040

County: Washington

Coordinates: 43.52140, -88.19250

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 53040, serving Kewaskum in WI. It lies in Washington and supports delivery, planning, and address verification.

Primary City	Kewaskum
ZIP Code	53040
County	Washington
State	WI
Latitude / Longitude	43.52140, -88.19250
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 53040 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 53040 is approximately 43.52140 (latitude) and -88.19250 (longitude). This location sits within Washington, contributing to regional planning across WI.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 53040 for mail delivery and general location reference in Washington, WI.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Kewaskum within WI.

Frequently Asked Questions

What is the primary city for ZIP code 53040?

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

In which county is 53040 located?

ZIP code 53040 is situated within Washington, WI.

What are the coordinates for 53040?

The approximate center point is 43.52140 (Latitude) and -88.19250 (Longitude).

Is ZIP code 53040 active?

This page lists ZIP 53040 as Listed based on the latest refresh date shown above.

Does ZIP 53040 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