In which county is ZIP code 21204 located?

ZIP 21204 is listed under Baltimore County, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 21204: Towson, MD

ZIP: 21204

County: Baltimore County

Coordinates: 39.40720, -76.60380

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Towson, MD postal area 21204. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Towson
ZIP Code	21204
County	Baltimore County
State	MD
Latitude / Longitude	39.40720, -76.60380
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 21204 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 21204 are listed as 39.40720 / -76.60380, useful for GPS and service checks in and around Towson, MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21204 for mail delivery and general location reference in Baltimore County, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Towson within MD.

Frequently Asked Questions

What is the primary city for ZIP code 21204?

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

In which county is 21204 located?

ZIP code 21204 is situated within Baltimore County, MD.

What are the coordinates for 21204?

The approximate center point is 39.40720 (Latitude) and -76.60380 (Longitude).

Is ZIP code 21204 active?

This page lists ZIP 21204 as Listed based on the latest refresh date shown above.

Does ZIP 21204 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