Harford County Maryland is covered by a total of 25 ZIP Codes. There are 5 ZIP Codes in Harford County that extend into adjacent counties ( and Baltimore County). Of the ZIP codes within or partially within Harford County there are 23 Standard ZIP Codes and 2 PO Box ZIP Codes.
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 Harford 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 | |||
|---|---|---|---|---|---|
| Aberdeen | Standard | |||
| Aberdeen Proving Ground | Standard | |||
| Abingdon | Standard | |||
| Gunpowder | Standard | |||
| Baldwin | Standard | |||
| Bel Air | Standard | |||
| Bel Air | Standard | |||
| Belcamp | Standard | |||
| Benson | PO Box | |||
| Churchville | Standard | |||
| Darlington | Standard | |||
| Edgewood | Standard | |||
| Fallston | Standard | |||
| Forest Hill | Standard | |||
| Havre De Grace | Standard | |||
| Hydes | Standard | |||
| Jarrettsville | Standard | |||
| Joppa | Standard | |||
| Kingsville | Standard | |||
| Monkton | Standard | |||
| Perryman | PO Box | |||
| Pylesville | Standard | |||
| Street | Standard | |||
| Whiteford | Standard | |||
| White Hall | Standard |