ZIP Code 35121 — Oneonta, AL
35121 is a standard (street delivery) ZIP code serving Oneonta, Alabama, in Blount 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 35121 at a glance
| ZIP code | 35121 |
|---|---|
| Primary city | Oneonta |
| State | Alabama (AL) |
| County | Blount FIPS 01009 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 16,170 |
| Coordinates | 33.939700, -86.454000 |
How ZIP+4 works in 35121
The four digits after the hyphen encode a delivery segment inside 35121. 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 35121 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 35121.
| ZIP | City | Distance |
|---|---|---|
| 35013 | Allgood, AL | 4.5 mi |
| 35049 | Cleveland, AL | 8.4 mi |
| 35146 | Springville, AL | 10.2 mi |
| 35097 | Locust Fork, AL | 10.2 mi |
| 35952 | Altoona, AL | 11.4 mi |
| 35133 | Remlap, AL | 11.7 mi |
| 35972 | Gallant, AL | 12.2 mi |
| 35990 | Walnut Grove, AL | 12.2 mi |
| 35031 | Blountsville, AL | 12.4 mi |
| 35987 | Steele, AL | 12.4 mi |
| 35172 | Trafford, AL | 15.4 mi |
| 35953 | Ashville, AL | 16.6 mi |
Questions about 35121
What is the ZIP+4 code for 35121?
35121 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 35121, you need to look up a specific street address to get them.
What city is 35121?
35121 is assigned to Oneonta, Alabama, in Blount 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.