ZIP Code 35645 — Killen, AL
35645 is a standard (street delivery) ZIP code serving Killen, Alabama, in Lauderdale 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 35645 at a glance
| ZIP code | 35645 |
|---|---|
| Primary city | Killen |
| State | Alabama (AL) |
| County | Lauderdale FIPS 01077 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 13,960 |
| Coordinates | 34.896050, -87.493600 |
How ZIP+4 works in 35645
The four digits after the hyphen encode a delivery segment inside 35645. 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 35645 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 35645.
| ZIP | City | Distance |
|---|---|---|
| 35634 | Florence, AL | 6.7 mi |
| 35648 | Lexington, AL | 7.7 mi |
| 35661 | Muscle Shoals, AL | 9.1 mi |
| 38481 | Saint Joseph, TN | 9.1 mi |
| 35630 | Florence, AL | 10.6 mi |
| 35652 | Rogersville, AL | 10.8 mi |
| 35632 | Florence, AL | 12.2 mi |
| 38469 | Loretto, TN | 12.8 mi |
| 38463 | Iron City, TN | 14.6 mi |
| 35610 | Anderson, AL | 15 mi |
| 38457 | Five Points, TN | 15 mi |
| 35660 | Sheffield, AL | 15 mi |
Questions about 35645
What is the ZIP+4 code for 35645?
35645 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 35645, you need to look up a specific street address to get them.
What city is 35645?
35645 is assigned to Killen, Alabama, in Lauderdale 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.