Dorchester County ZIP Codes
Maryland, United States · 16 codes
Dorchester County in Maryland has 16 ZIP codes, from 21613 to 21869, serving 16 places.
ZIP codes in Dorchester
Frequently asked questions
What is the ZIP code of Dorchester?
Dorchester has 16 ZIP codes, from 21613 to 21869. The table lists the places each one serves.
How many places are listed in Dorchester County?
16 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.