Washington County Maryland is covered by a total of 25 ZIP Codes. There are 4 ZIP Codes in Washington County that extend into adjacent counties (Frederick County, and Morgan County). Of the ZIP codes within or partially within Washington County there are 16 Standard ZIP Codes, 2 Unique ZIP Codes and 7 PO Box ZIP Codes. Data Updated September 15, 2024
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Washington County and can be turned on and off. Each type of postal code can also be turned on and off.
| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Big Pool | Standard | |||
| Boonsboro | Standard | |||
| Brownsville | PO Box | |||
| Cascade | Standard | |||
| Cavetown | PO Box | |||
| Chewsville | PO Box | |||
| Clear Spring | Standard | |||
| Fairplay | Standard | |||
| Funkstown | PO Box | |||
| Hagerstown | Standard | |||
| Hagerstown | PO Box | |||
| Hagerstown | Standard | |||
| Hagerstown | Unique | |||
| Hagerstown | PO Box | |||
| Hagerstown | Unique | |||
| Hancock | Standard | |||
| Keedysville | Standard | |||
| Knoxville | Standard | |||
| Maugansville | Standard | |||
| Rohrersville | Standard | |||
| Sabillasville | Standard | |||
| Saint James | PO Box | |||
| Sharpsburg | Standard | |||
| Smithsburg | Standard | |||
| Williamsport | Standard |