Mailbox Map › United States › Upper Alton › Alton Post Office
Post office · USPS
Alton Post Office, Upper Alton
Alton Post Office at 2350 Homer M Adams Parkway, Alton, IL 62002.
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| Address | 2350 Homer M Adams Parkway, Alton, IL 62002 |
|---|---|
| Area | Upper Alton, Illinois |
| Coordinates | 38.91716, -90.15315 |
| Time zone | America/Chicago |
Nearby
- Upper Alton Post Office 1.1 mi
Mapped by the OpenStreetMap community, last checked 2026-06-20. Spotted a box that's gone? Fix it on OpenStreetMap and this page follows within a month.