Nicholasville, KY ZIP Codes
Nicholasville, Kentucky has 2 ZIP codes: for street addresses and for PO boxes.
Mail addressed to Nicholasville covers nearby places too.
Where the 40356 ZIP code reaches
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40340 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Nicholasville city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
Check an address in Nicholasville
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Nicholasville PO box and business ZIP codes
| ZIP | Type and post office or station |
|---|---|
| 40340 | PO boxes at the Nicholasville post office Nicholasville |
| 40356 | street delivery Nicholasville |
Nicholasville ZIP code questions
What is the main ZIP code for Nicholasville?
40356, the ZIP code of the main Nicholasville post office at 410 S Main St.
Which Nicholasville ZIP codes are for PO boxes only?
40340. Mail to it goes to boxes at the post office, not to street addresses.
What county is Nicholasville in?
Jessamine County.
ZIP codes for towns near Nicholasville
More towns near Nicholasville: New Albany, Florence, Covington, Cincinnati, Fairfield, Mason, Hamilton, Middletown, Columbus.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections