ZIP Code 35181 — Watson, AL
35181 is a standard (street delivery) ZIP code serving Watson, Alabama, in Jefferson 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 35181 at a glance
| ZIP code | 35181 |
|---|---|
| Primary city | Watson |
| State | Alabama (AL) |
| County | Jefferson FIPS 01073 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 98 |
| Coordinates | 33.626470, -86.879990 |
How ZIP+4 works in 35181
The four digits after the hyphen encode a delivery segment inside 35181. 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 35181 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 35181.
| ZIP | City | Distance |
|---|---|---|
| 35036 | Brookside, AL | 2.3 mi |
| 35068 | Fultondale, AL | 3 mi |
| 35117 | Mount Olive, AL | 3.2 mi |
| 35214 | Birmingham, AL | 3.7 mi |
| 35207 | Birmingham, AL | 5.2 mi |
| 35060 | Docena, AL | 5.5 mi |
| 35071 | Gardendale, AL | 5.7 mi |
| 35119 | New Castle, AL | 5.9 mi |
| 35073 | Graysville, AL | 6.1 mi |
| 35217 | Birmingham, AL | 6.9 mi |
| 35005 | Adamsville, AL | 7.2 mi |
| 35234 | Birmingham, AL | 7.4 mi |
Questions about 35181
What is the ZIP+4 code for 35181?
35181 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 35181, you need to look up a specific street address to get them.
What city is 35181?
35181 is assigned to Watson, Alabama, in Jefferson 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.