Mailbox Map › United States › Johnston › Johnston Post Office
Post office · USPS
Johnston Post Office, Johnston
Johnston Post Office at 5874 Merle Hay Road, Johnston, IA 50131.
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| Address | 5874 Merle Hay Road, Johnston, IA 50131 |
|---|---|
| Area | Johnston, Iowa |
| Coordinates | 41.66743, -93.69891 |
| Time zone | America/Chicago |
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.