Baltimore zipcode
| City | Baltimore |
| ZIP Code | 21223 |
| Type | Standard |
| State Code | MD |
| State | Maryland |
ZIP code of Baltimore is 21223. This place is located in Maryland state in US. To send any postal service to Baltimore, you must use 21223 zipcode.
The ZIP code 21223 is also used with 1 more city name of Maryland.
- Franklin, MD