Preston ZIP Codes

List of Zip Codes of Preston

The following table lists ZIP Codes associated with Preston, 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 21655 38.74601 -75.92103 Caroline 4,995 36.6


About Preston Maryland Zip Codes

The city of Preston 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 4,995 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 Preston fall within county jurisdictions such as Caroline. Each county manages local services, land use, and administration for the areas corresponding to its ZIP Codes.

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