In which county is ZIP code 20891 located?

ZIP 20891 is listed under Montgomery County, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 20891: Kensington, MD

ZIP: 20891

County: Montgomery County

Coordinates: 39.02570, -77.07640

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Kensington, MD postal area 20891. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Kensington
ZIP Code	20891
County	Montgomery County
State	MD
Latitude / Longitude	39.02570, -77.07640
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 20891 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 20891 are listed as 39.02570 / -77.07640, useful for GPS and service checks in and around Kensington, MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 20891 for mail delivery and general location reference in Montgomery County, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Kensington within MD.

Frequently Asked Questions

What is the primary city for ZIP code 20891?

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

In which county is 20891 located?

ZIP code 20891 is situated within Montgomery County, MD.

What are the coordinates for 20891?

The approximate center point is 39.02570 (Latitude) and -77.07640 (Longitude).

Is ZIP code 20891 active?

This page lists ZIP 20891 as Listed based on the latest refresh date shown above.

Does ZIP 20891 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