ZIP Code 41821 — Hallie, KY
41821 is a standard (street delivery) ZIP code serving Hallie, Kentucky, in Letcher County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 41821 at a glance
| ZIP code | 41821 |
|---|---|
| Primary city | Hallie |
| State | Kentucky (KY) |
| County | Letcher FIPS 21133 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 363 |
| Coordinates | 37.075630, -83.007110 |
How ZIP+4 works in 41821
The four digits after the hyphen encode a delivery segment inside 41821. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 41821 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 41821.
| ZIP | City | Distance |
|---|---|---|
| 41833 | Linefork, KY | 3.7 mi |
| 41848 | Roxana, KY | 4.4 mi |
| 41731 | Cornettsville, KY | 4.6 mi |
| 41804 | Blackey, KY | 5.2 mi |
| 41832 | Letcher, KY | 6.1 mi |
| 41763 | Slemp, KY | 6.5 mi |
| 41735 | Delphia, KY | 6.5 mi |
| 41819 | Gordon, KY | 7 mi |
| 41845 | Premium, KY | 7.2 mi |
| 40807 | Benham, KY | 8.2 mi |
| 41826 | Jeremiah, KY | 8.2 mi |
| 40823 | Cumberland, KY | 8.3 mi |
Questions about 41821
What is the ZIP+4 code for 41821?
41821 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 41821, you need to look up a specific street address to get them.
What city is 41821?
41821 is assigned to Hallie, Kentucky, in Letcher County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.