Reference facts
Postal code 21139 — Riderwood
See every recorded place, administrative area and coordinate for postal code 21139 — Riderwood in US.
Reference facts
| Postal code | 21139 |
|---|---|
| Country code | US |
| Primary administrative area | Maryland |
| Recorded places | 1 |
| Place 1 | Riderwood · Administrative area: Maryland · Secondary area: Baltimore · Coordinates: 39.4093, -76.6486 |