In which county is ZIP code 53818 located?

ZIP 53818 is listed under Grant, WI.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 53818: Platteville, WI

ZIP: 53818

County: Grant

Coordinates: 42.73930, -90.48540

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 53818 in Platteville, WI. We include verified county details for Grant plus key geographic references used for mapping and logistics.

Primary City	Platteville
ZIP Code	53818
County	Grant
State	WI
Latitude / Longitude	42.73930, -90.48540
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 53818 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 53818 are listed as 42.73930 / -90.48540, useful for GPS and service checks in and around Platteville, WI.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 53818 for mail delivery and general location reference in Grant, WI.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Platteville within WI.

Frequently Asked Questions

What is the primary city for ZIP code 53818?

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

In which county is 53818 located?

ZIP code 53818 is situated within Grant, WI.

What are the coordinates for 53818?

The approximate center point is 42.73930 (Latitude) and -90.48540 (Longitude).

Is ZIP code 53818 active?

This page lists ZIP 53818 as Listed based on the latest refresh date shown above.

Does ZIP 53818 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