ZIP Code 36581 — Sunflower, AL
36581 is a standard (street delivery) ZIP code serving Sunflower, Alabama, in Washington 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 36581 at a glance
| ZIP code | 36581 |
|---|---|
| Primary city | Sunflower |
| State | Alabama (AL) |
| County | Washington FIPS 01129 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 161 |
| Coordinates | 31.366450, -88.009800 |
How ZIP+4 works in 36581
The four digits after the hyphen encode a delivery segment inside 36581. 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 36581 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 36581.
| ZIP | City | Distance |
|---|---|---|
| 36585 | Wagarville, AL | 0.8 mi |
| 36548 | Leroy, AL | 8.4 mi |
| 36583 | Tibbie, AL | 10.4 mi |
| 36553 | Mcintosh, AL | 10.5 mi |
| 36556 | Malcolm, AL | 11.3 mi |
| 36545 | Jackson, AL | 11.6 mi |
| 36569 | Saint Stephens, AL | 12.9 mi |
| 36513 | Calvert, AL | 14.6 mi |
| 36529 | Deer Park, AL | 16.3 mi |
| 36518 | Chatom, AL | 17.2 mi |
| 36550 | Little River, AL | 17.6 mi |
| 36560 | Mount Vernon, AL | 19.5 mi |
Questions about 36581
What is the ZIP+4 code for 36581?
36581 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 36581, you need to look up a specific street address to get them.
What city is 36581?
36581 is assigned to Sunflower, Alabama, in Washington 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.