Zip Code 21139 - Riderwood, Baltimore, MD, United States
Zip Code 21139 Data
| Zip Code | 21139 |
|---|---|
| City | Riderwood |
| County | Baltimore |
| County FIPS | 005 |
| State | Maryland |
| State FIPS | 24 |
| Latitude | 39.4095 |
| Longitude | -76.6487 |
| Timezone | 5 |
| Daylight | Yes |
| Country | United States |