Postal reference / United States
40122Fort Knox, Kentucky
ZIP code 40122 is a United States postal code for Fort Knox, Kentucky. Its county association is Hardin County. The map reference point is at 37.8911, -85.9636.
- State / territory
- Kentucky
- Recorded place name
- Fort Knox
- County association
- Hardin
- Estimated coordinate
- 37.8911, -85.9636
View on OpenStreetMap - ZIP prefix
- 401 · 36 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
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Kentucky directoryOther ZIP codes in Fort Knox, KY
Fort Knox has 2 ZIP codes in the reference dataset.
- 40121Hardin
Nearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 40121 | Fort Knox | KY | Hardin | 0.8 |
| 40175 | Vine Grove | KY | Hardin | 3.2 |
| 40155 | Muldraugh | KY | Meade | 3.5 |
| 40160 | Radcliff | KY | Hardin | 4.6 |
| 40177 | West Point | KY | Hardin | 7.2 |
| 40108 | Brandenburg | KY | Meade | 9.4 |
| 40162 | Rineyville | KY | Hardin | 9.7 |
| 40117 | Ekron | KY | Meade | 10.5 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
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