ZIP Code 36048 — Louisville, AL
36048 is a standard (street delivery) ZIP code serving Louisville, Alabama, in Barbour 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 36048 at a glance
| ZIP code | 36048 |
|---|---|
| Primary city | Louisville |
| State | Alabama (AL) |
| County | Barbour FIPS 01005 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,203 |
| Coordinates | 31.790110, -85.590660 |
How ZIP+4 works in 36048
The four digits after the hyphen encode a delivery segment inside 36048. 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 36048 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 36048.
| ZIP | City | Distance |
|---|---|---|
| 36017 | Clio, AL | 7.8 mi |
| 36005 | Banks, AL | 10.2 mi |
| 36016 | Clayton, AL | 10.4 mi |
| 36311 | Ariton, AL | 14.1 mi |
| 36010 | Brundidge, AL | 15.6 mi |
| 36317 | Clopton, AL | 16 mi |
| 36374 | Skipperville, AL | 16.2 mi |
| 36053 | Midway, AL | 19.1 mi |
| 36081 | Troy, AL | 19.7 mi |
| 36082 | Troy, AL | 21.4 mi |
| 36360 | Ozark, AL | 22.4 mi |
| 36027 | Eufaula, AL | 24.4 mi |
Questions about 36048
What is the ZIP+4 code for 36048?
36048 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 36048, you need to look up a specific street address to get them.
What city is 36048?
36048 is assigned to Louisville, Alabama, in Barbour 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.