In which county is ZIP code 21047 located?

ZIP 21047 is listed under Harford, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 21047: Fallston, MD

ZIP: 21047

County: Harford

Coordinates: 39.52700, -76.43280

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 21047 in Fallston, MD. We include verified county details for Harford plus key geographic references used for mapping and logistics.

Primary City	Fallston
ZIP Code	21047
County	Harford
State	MD
Latitude / Longitude	39.52700, -76.43280
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 21047 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 21047 is commonly represented around 39.52700, -76.43280. These coordinates help identify the general area within Harford, MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21047 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 Fallston within MD.

Frequently Asked Questions

What is the primary city for ZIP code 21047?

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

In which county is 21047 located?

ZIP code 21047 is situated within Harford, MD.

What are the coordinates for 21047?

The approximate center point is 39.52700 (Latitude) and -76.43280 (Longitude).

Is ZIP code 21047 active?

This page lists ZIP 21047 as Listed based on the latest refresh date shown above.

Does ZIP 21047 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