Washington County ZIP Codes
Maryland, United States · 23 codes
Washington County in Maryland has 23 ZIP codes, from 21711 to 21795, serving 23 places.
ZIP codes in Washington
| ZIP Code | Places |
|---|---|
| 21711 | Big Pool |
| 21713 | Boonsboro |
| 21715 | Brownsville |
| 21719 | Cascade |
| 21720 | Cavetown |
| 21721 | Chewsville |
| 21722 | Clear Spring |
| 21733 | Fairplay |
| 21734 | Funkstown |
| 21740 | Hagerstown |
| 21741 | Hagerstown |
| 21742 | Hagerstown |
| 21746 | Hagerstown |
| 21747 | Hagerstown |
| 21749 | Hagerstown |
| 21750 | Hancock |
| 21756 | Keedysville |
| 21767 | Maugansville |
| 21779 | Rohrersville |
| 21781 | Saint James |
| 21782 | Sharpsburg |
| 21783 | Smithsburg |
| 21795 | Williamsport |
Frequently asked questions
What is the ZIP code of Washington?
Washington has 23 ZIP codes, from 21711 to 21795. The table lists the places each one serves.
How many places are listed in Washington County?
23 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.