Mailbox Map › United States › New Castle › New Castle Post Office
Post office · USPS
New Castle Post Office, New Castle
New Castle Post Office at 435 South Cascade Street, New Castle, PA 16108.
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| Address | 435 South Cascade Street, New Castle, PA 16108 |
|---|---|
| Area | New Castle, Pennsylvania |
| Coordinates | 40.99478, -80.31918 |
| Time zone | America/New_York |
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Mapped by the OpenStreetMap community, last checked 2026-06-11. Spotted a box that's gone? Fix it on OpenStreetMap and this page follows within a month.