ZIP Code 83338 — Jerome, ID
83338 is a standard (street delivery) ZIP code serving Jerome, Idaho, in Jerome 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 83338 at a glance
| ZIP code | 83338 |
|---|---|
| Primary city | Jerome |
| State | Idaho (ID) |
| County | Jerome FIPS 16053 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Boise |
| Population | 21,944 |
| Coordinates | 42.725010, -114.432730 |
How ZIP+4 works in 83338
The four digits after the hyphen encode a delivery segment inside 83338. 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 83338 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 83338.
| ZIP | City | Distance |
|---|---|---|
| 83325 | Eden, ID | 13.6 mi |
| 83324 | Dietrich, ID | 13.6 mi |
| 83328 | Filer, ID | 14.2 mi |
| 83355 | Wendell, ID | 15 mi |
| 83330 | Gooding, ID | 20 mi |
| 83335 | Hazelton, ID | 20.5 mi |
| 83341 | Kimberly, ID | 20.7 mi |
| 83334 | Hansen, ID | 22 mi |
| 83352 | Shoshone, ID | 22.6 mi |
| 83301 | Twin Falls, ID | 23.2 mi |
| 83316 | Buhl, ID | 24.3 mi |
| 83332 | Hagerman, ID | 25.7 mi |
Questions about 83338
What is the ZIP+4 code for 83338?
83338 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 83338, you need to look up a specific street address to get them.
What city is 83338?
83338 is assigned to Jerome, Idaho, in Jerome 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.