ZIP CodesZIP codes in Calvert County, Maryland
Calvert County, Maryland has 14 ZIP codes in this list, from 20610 to 20754. They cover 14 places, among them Barstow, Broomes Island, Dowell and Huntingtown.
Nothing in this county matches.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 20610 | Barstow | no area | 38.525, -76.616 |
| 20615 | Broomes Island | 0.7 | 38.418, -76.548 |
| 20629 | Dowell | 0.8 | 38.336, -76.452 |
| 20639 | Huntingtown | 41.6 | 38.609, -76.600 |
| 20657 | Lusby | 29.9 | 38.366, -76.435 |
| 20676 | Port Republic | 14.4 | 38.495, -76.535 |
| 20678 | Prince Frederick | 44.9 | 38.534, -76.596 |
| 20685 | Saint Leonard | 22.9 | 38.450, -76.511 |
| 20688 | Solomons | 1.2 | 38.329, -76.465 |
| 20689 | Sunderland | 7.7 | 38.649, -76.577 |
| 20714 | North Beach | 1.4 | 38.712, -76.537 |
| 20732 | Chesapeake Beach | 11.2 | 38.670, -76.538 |
| 20736 | Owings | 24.7 | 38.696, -76.606 |
| 20754 | Dunkirk | 16.0 | 38.741, -76.643 |
The ZIP code areas of Calvert County add up to about 217 square miles of land (563 sq km) as the Census Bureau draws them. The largest is 20678 (Prince Frederick), with 44.9 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Barstow, MD 20610.
- 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.