Dorchester County ZIP Codes
South Carolina, United States · 10 codes
Dorchester County in South Carolina has 10 ZIP codes, from 29420 to 29485, serving 10 places.
ZIP codes in Dorchester
Frequently asked questions
What is the ZIP code of Dorchester?
Dorchester has 10 ZIP codes, from 29420 to 29485. The table lists the places each one serves.
How many places are listed in Dorchester County?
10 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.