In which county is ZIP code 20866 located?

ZIP 20866 is listed under Montgomery County, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 20866: Burtonsville, MD

ZIP: 20866

County: Montgomery County

Coordinates: 39.09220, -76.93390

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 20866 in Burtonsville, MD. We include verified county details for Montgomery County plus key geographic references used for mapping and logistics.

Primary City	Burtonsville
ZIP Code	20866
County	Montgomery County
State	MD
Latitude / Longitude	39.09220, -76.93390
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 20866 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 20866 is commonly represented around 39.09220, -76.93390. These coordinates help identify the general area within Montgomery County, MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 20866 for mail delivery and general location reference in Montgomery County, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Burtonsville within MD.

Frequently Asked Questions

What is the primary city for ZIP code 20866?

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

In which county is 20866 located?

ZIP code 20866 is situated within Montgomery County, MD.

What are the coordinates for 20866?

The approximate center point is 39.09220 (Latitude) and -76.93390 (Longitude).

Is ZIP code 20866 active?

This page lists ZIP 20866 as Listed based on the latest refresh date shown above.

Does ZIP 20866 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