Mailbox Map › United States › Highland Park › Northwestern Post Office
Post office · USPS
Northwestern Post Office, Highland Park
Northwestern Post Office at 9650 Grand River Avenue, Detroit, MI 48204.
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| Address | 9650 Grand River Avenue, Detroit, MI 48204 |
|---|---|
| Area | Highland Park, Michigan |
| Coordinates | 42.36804, -83.13638 |
| Time zone | America/Detroit |
Mapped by the OpenStreetMap community, last checked 2026-06-17. Spotted a box that's gone? Fix it on OpenStreetMap and this page follows within a month.