Fallston ZIP Codes

List of Zip Codes of Fallston

The following table lists ZIP Codes associated with Fallston, Maryland, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude County Population Density
1 21047 39.52818 -76.43781 Harford 13,540 231.9


About Fallston Maryland Zip Codes

The city of Fallston in Maryland (MD) is served by approximately 1 ZIP Codes. These codes cover residential neighborhoods, business districts, and surrounding localities that use the city name in their mailing address.

Based on ZIP-level population estimates, the combined population covered by these ZIP Codes is around 13,540 people. Population density can vary significantly from one ZIP Code to another, reflecting the mix of dense urban blocks, commercial corridors, and lower-density residential areas.

The ZIP Codes associated with Fallston fall within county jurisdictions such as Harford. Each county manages local services, land use, and administration for the areas corresponding to its ZIP Codes.

Most ZIP codes for Fallston, Maryland follow the America/New_York time zone.