Fallston, MD ZIP Codes, Coordinates & Counties
Fallston, Maryland has 1 ZIP code in Harford county. The approximate center of Fallston is 39.528, -76.439. Fallston has about 25,376 known street addresses.
ZIP codes in Fallston, MD
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 21047 | Harford | 39.528 | -76.439 |
Counties Fallston spans
Harford
Most common streets in Fallston
Harford, Bel Air, Charles, Watervale, Oakmont, Mountain, Peachtree, Summit, Parkvue, Suffolk
Frequently asked questions
What ZIP codes are in Fallston, MD?
Fallston, Maryland has 1 ZIP code, ranging from 21047 to 21047. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Fallston, MD in?
Fallston is in Harford county.
What are the latitude and longitude of Fallston, MD?
The approximate center of Fallston, Maryland is latitude 39.528, longitude -76.439. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Fallston, MD have?
Fallston has 1 ZIP code.
How many addresses are in Fallston, MD?
Fallston, Maryland has about 25,376 known street addresses in the sthan.io US address database.
What are the most common streets in Fallston, MD?
Some of the most common street names in Fallston are Harford, Bel Air, Charles, Watervale, Oakmont, Mountain.
What cities are near Fallston, MD?
Cities near Fallston include Baldwin (3 mi), Fork (4 mi), Hydes (4 mi), Forest Hill (5 mi), Bel Air (6 mi).
Cities near Fallston
Baldwin, MD (3 mi) Fork, MD (4 mi) Hydes, MD (4 mi) Forest Hill, MD (5 mi) Bel Air, MD (6 mi) Glen Arm, MD (6 mi) Jarrettsville, MD (6 mi) Kingsville, MD (6 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database