Dundalk zipcode
| City | Dundalk |
| ZIP Code | 21222 |
| Type | Standard |
| State Code | MD |
| State | Maryland |
ZIP code of Dundalk is 21222. This place is located in Maryland state in US. To send any postal service to Dundalk, you must use 21222 zipcode.
The ZIP code 21222 is also used with 1 more city name of Maryland.
- Baltimore, MD