In which county is ZIP code 20604 located?

ZIP 20604 is listed under Charles, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 20604: Waldorf, MD

ZIP: 20604

County: Charles

Coordinates: 38.50950, -76.98170

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Waldorf, MD postal area 20604. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Waldorf
ZIP Code	20604
County	Charles
State	MD
Latitude / Longitude	38.50950, -76.98170
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 20604 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 20604 is commonly represented around 38.50950, -76.98170. These coordinates help identify the general area within Charles, MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 20604 for mail delivery and general location reference in Charles, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Waldorf within MD.

Frequently Asked Questions

What is the primary city for ZIP code 20604?

The primary city for this ZIP code is Waldorf, located in MD.

In which county is 20604 located?

ZIP code 20604 is situated within Charles, MD.

What are the coordinates for 20604?

The approximate center point is 38.50950 (Latitude) and -76.98170 (Longitude).

Is ZIP code 20604 active?

This page lists ZIP 20604 as Listed based on the latest refresh date shown above.

Does ZIP 20604 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