In which county is ZIP code 21071 located?

ZIP 21071 is listed under Baltimore County, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 21071: Glyndon, MD

ZIP: 21071

County: Baltimore County

Coordinates: 39.47700, -76.81500

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 21071 in Glyndon, MD. We include verified county details for Baltimore County plus key geographic references used for mapping and logistics.

Primary City	Glyndon
ZIP Code	21071
County	Baltimore County
State	MD
Latitude / Longitude	39.47700, -76.81500
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 21071 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 21071 is approximately 39.47700 (latitude) and -76.81500 (longitude). This location sits within Baltimore County, contributing to regional planning across MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21071 for mail delivery and general location reference in Baltimore County, MD.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Glyndon.

Related ZIP Codes (Nearby)

Explore other postal codes near Glyndon within MD.

Frequently Asked Questions

What is the primary city for ZIP code 21071?

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

In which county is 21071 located?

ZIP code 21071 is situated within Baltimore County, MD.

What are the coordinates for 21071?

The approximate center point is 39.47700 (Latitude) and -76.81500 (Longitude).

Is ZIP code 21071 active?

This page lists ZIP 21071 as Listed based on the latest refresh date shown above.

Does ZIP 21071 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