In which county is ZIP code 21866 located?

ZIP 21866 is listed under Somerset, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 21866: Tylerton, MD

ZIP: 21866

County: Somerset

Coordinates: 37.96660, -76.02350

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 21866, serving Tylerton in MD. It lies in Somerset and supports delivery, planning, and address verification.

Primary City	Tylerton
ZIP Code	21866
County	Somerset
State	MD
Latitude / Longitude	37.96660, -76.02350
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 21866 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 21866 is commonly represented around 37.96660, -76.02350. These coordinates help identify the general area within Somerset, MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21866 for mail delivery and general location reference in Somerset, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Tylerton within MD.

Frequently Asked Questions

What is the primary city for ZIP code 21866?

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

In which county is 21866 located?

ZIP code 21866 is situated within Somerset, MD.

What are the coordinates for 21866?

The approximate center point is 37.96660 (Latitude) and -76.02350 (Longitude).

Is ZIP code 21866 active?

This page lists ZIP 21866 as Listed based on the latest refresh date shown above.

Does ZIP 21866 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