40456 postal code
United StatesUpdated 2026-11-09Mount Vernon, KentuckyRockcastle5 digits
Postal code details
1 placeCode
40456
Place
Mount Vernon
Region
Kentucky
County
Rockcastle
Coordinates
37.3983, -84.3379
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗
37.3983, -84.3379© OpenStreetMap
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Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Mount Vernon | Kentucky | Rockcastle | 37.3983, -84.3379 |
Same code in other countries
0This code only appears in this country.
FAQ
Which city is 40456 in?
Mount Vernon, Kentucky, United States.
What are the coordinates of 40456?
37.3983, -84.3379
Is 40456 used in other countries?
No.
Updated 2026-11-09. Attribution in Data & license.