Reference facts
Postal code 48721 — Black River
See every recorded place, administrative area and coordinate for postal code 48721 — Black River in US.
Reference facts
| Postal code | 48721 |
|---|---|
| Country code | US |
| Primary administrative area | Michigan |
| Recorded places | 1 |
| Place 1 | Black River · Administrative area: Michigan · Secondary area: Alcona · Coordinates: 44.8138, -83.3407 |