Middle River zipcode
| City | Middle River |
| ZIP Code | 21220 |
| Type | Standard |
| State Code | MD |
| State | Maryland |
ZIP code of Middle River is 21220. This place is located in Maryland state in US. To send any postal service to Middle River, you must use 21220 zipcode.
The ZIP code 21220 is also used with 1 more city name of Maryland.
- Baltimore, MD