In which county is ZIP code 21085 located?

ZIP 21085 is listed under Harford, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 21085: Joppa, MD

ZIP: 21085

County: Harford

Coordinates: 39.42420, -76.35410

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 21085, serving Joppa in MD. It lies in Harford and supports delivery, planning, and address verification.

Primary City	Joppa
ZIP Code	21085
County	Harford
State	MD
Latitude / Longitude	39.42420, -76.35410
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 21085 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 21085 are listed as 39.42420 / -76.35410, useful for GPS and service checks in and around Joppa, MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21085 for mail delivery and general location reference in Harford, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Joppa within MD.

Frequently Asked Questions

What is the primary city for ZIP code 21085?

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

In which county is 21085 located?

ZIP code 21085 is situated within Harford, MD.

What are the coordinates for 21085?

The approximate center point is 39.42420 (Latitude) and -76.35410 (Longitude).

Is ZIP code 21085 active?

This page lists ZIP 21085 as Listed based on the latest refresh date shown above.

Does ZIP 21085 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