Somerset County ZIP Codes
Maryland, United States · 11 codes
Somerset County in Maryland has 11 ZIP codes, from 21817 to 21890, serving 11 places.
ZIP codes in Somerset
Frequently asked questions
What is the ZIP code of Somerset?
Somerset has 11 ZIP codes, from 21817 to 21890. The table lists the places each one serves.
How many places are listed in Somerset County?
11 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.