In which county is ZIP code 21550 located?

ZIP 21550 is listed under Garrett, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 21550: Oakland, MD

ZIP: 21550

County: Garrett

Coordinates: 39.43390, -79.31670

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 21550 in Oakland, MD. We include verified county details for Garrett plus key geographic references used for mapping and logistics.

Primary City	Oakland
ZIP Code	21550
County	Garrett
State	MD
Latitude / Longitude	39.43390, -79.31670
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 21550 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 21550 are listed as 39.43390 / -79.31670, useful for GPS and service checks in and around Oakland, MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21550 for mail delivery and general location reference in Garrett, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Oakland within MD.

Frequently Asked Questions

What is the primary city for ZIP code 21550?

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

In which county is 21550 located?

ZIP code 21550 is situated within Garrett, MD.

What are the coordinates for 21550?

The approximate center point is 39.43390 (Latitude) and -79.31670 (Longitude).

Is ZIP code 21550 active?

This page lists ZIP 21550 as Listed based on the latest refresh date shown above.

Does ZIP 21550 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