40221 Location Details Reveal Why People Are Moving Here Fast
ZIP code 40221 is a Louisville, Kentucky PO Box ZIP in Jefferson County, centered around the Louisville International Airport area and the city's air mail facility, with a small service footprint rather than a typical neighborhood-style residential district.
What 40221 Covers
40221 is not a broad, walkable neighborhood ZIP in the usual sense; it is primarily a PO Box ZIP associated with mail handling in Louisville, and sources describe the only post office in the zone as the Air Mail Facility at 4440 Crittenden Dr.
The ZIP is located in Jefferson County, in Metro Louisville, and one reference places it at coordinates around 38.1888, -85.7507 with an area of about 0.144 square miles, which underscores how compact and specialized this ZIP is.
Because 40221 is tied to airport and mail-processing infrastructure, people searching for "location details" are usually trying to confirm where mail goes, how it relates to Louisville, and whether it reflects a residential area worth moving to.
Location Snapshot
| Field | Detail |
|---|---|
| ZIP Code | 40221 |
| City | Louisville |
| County | Jefferson County |
| ZIP Type | PO Box / mail facility focus |
| Main Facility | Air Mail Facility, 4440 Crittenden Dr, Louisville, KY 40221-9990 |
| Area Code | 502 |
| Approx. Area | 0.1438 square miles |
| Nearby ZIPs | 40285, 40298, 40203, 40202, 40210 |
Why It Matters
For most people, location details about 40221 matter for mail routing, business addresses, logistics, and verifying whether a contact address is tied to Louisville's airport corridor rather than a conventional residential block.
One practical point: a PO Box ZIP can signal that the address is used for receiving mail at a post office or facility, not necessarily that the recipient lives at that exact point on the map.
That distinction is useful for employers, vendors, landlords, and buyers, because ZIP labels can be mistaken for neighborhood identity when they really reflect postal operations.
Nearby Context
The area around 40221 is associated with Louisville's transportation and event infrastructure, and one local ZIP reference links it to the Louisville International Airport, the Kentucky Exposition Center, and Kentucky Kingdom.
That context helps explain why the ZIP feels more industrial and logistical than residential in character, with major travel and event activity shaping the surrounding area.
Nearby ZIP codes listed in one source include 40285, 40298, 40203, 40202, and 40210, which gives a rough sense of adjacency within the Louisville area.
Move Or Not
Whether you should move to an area tied to 40221 depends on what you mean by "move," because the ZIP itself is not a classic home-buying neighborhood and is better understood as a postal and airport-service zone.
If you want urban access, airport proximity, and logistics convenience, the broader Louisville setting can be attractive; if you want a quiet residential neighborhood with school-zone identity and block-by-block housing inventory, 40221 is not the best ZIP to judge on its own.
- Best for: Mail handling, business logistics, airport-adjacent operations, and address verification.
- Less ideal for: Shopping for a typical residential ZIP with a strong neighborhood feel.
- Worth checking: Nearby residential ZIPs, commute times, and whether your target address is actually a PO Box or facility address.
Costs And Taxes
One published tax reference shows the combined sales tax rate for 40221 at 6.0% for 2025, which is useful for shoppers and businesses comparing Louisville-area addresses.
That rate is helpful as a baseline, but it does not tell the full housing story, because 40221 is not primarily a normal residential ZIP with a broad home market profile.
Practical Takeaways
- Use 40221 as a postal and location reference, not as a shorthand for a neighborhood lifestyle.
- Confirm whether an address is a PO Box, a facility, or a street address before making moving or shipping decisions.
- Check nearby Louisville ZIP codes if you are evaluating housing, commute access, or school options.
- Expect airport-adjacent and logistics-heavy surroundings rather than a dense residential district.
"ZIP code 40221 is assigned to Louisville, KY," and the only listed post office in the zone is the Air Mail Facility, which is the clearest clue to how this area functions.
FAQ
Key concerns and solutions for 40221 Location Details Reveal Why People Are Moving Here Fast
Is 40221 a neighborhood ZIP?
No, 40221 is best understood as a PO Box and air-mail facility ZIP in Louisville rather than a standard neighborhood ZIP with a broad residential footprint.
Where is 40221 located?
It is in Louisville, Jefferson County, Kentucky, near the Louisville International Airport area and the Air Mail Facility at 4440 Crittenden Dr.
Should I move to 40221?
Most people should not evaluate 40221 as a move-in destination by itself, because it is primarily a postal/service ZIP; instead, compare nearby residential Louisville ZIP codes based on housing, commute, and lifestyle.
What is the sales tax in 40221?
The published combined sales tax rate for 40221 is 6.0% for 2025.
What landmarks are near 40221?
References point to Louisville International Airport, the Kentucky Exposition Center, and Kentucky Kingdom as major nearby landmarks.