| Post Office Name | US Post Office |
| Address | 4301 Mountain Rd |
| City | Pasadena |
| State | Maryland |
| Phone Number | (410) 437-0813 |
| Latitude | 39.1222 |
| Longitude | -76.5054 |
21122 US Post Office in Pasadena, Maryland is located at 4301 Mountain Rd. The Pasadena Post Office Number is (410) 437-0813
