ZIP CodesZIP codes in Somerset County, Maryland
Somerset County, Maryland has 11 ZIP codes in this list, from 21817 to 21890. They cover 10 places, among them Westover, Crisfield, Deal Island and Ewell.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 21817 | Crisfield | 14.5 | 37.984, -75.843 |
| 21821 | Deal Island | 14.7 | 38.153, -75.950 |
| 21824 | Ewell | 2.3 | 37.994, -76.035 |
| 21836 | Manokin | no area | 38.115, -75.756 |
| 21838 | Marion Station | 54.9 | 38.027, -75.758 |
| 21853 | Princess Anne | 115 | 38.192, -75.707 |
| 21857 | Rehobeth | no area | 38.039, -75.663 |
| 21866 | Tylerton | 0.1 | 37.967, -76.023 |
| 21867 | Upper Fairmount | 0.2 | 38.104, -75.791 |
| 21871 | Westover | 67.1 | 38.101, -75.741 |
| 21890 | Westover | 0.4 | 38.093, -75.888 |
The ZIP code areas of Somerset County add up to about 269 square miles of land (697 sq km) as the Census Bureau draws them. The largest is 21853 (Princess Anne), with 115 square miles.
Places with more than one code here: Westover (2 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Crisfield, MD 21817.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.