ZIP Code 83203 — Fort Hall, ID
83203 is a standard (street delivery) ZIP code serving Fort Hall, Idaho, in Bingham 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 83203 at a glance
| ZIP code | 83203 |
|---|---|
| Primary city | Fort Hall |
| State | Idaho (ID) |
| County | Bingham FIPS 16011 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Boise |
| Population | 38 |
| Coordinates | 43.025200, -112.428130 |
How ZIP+4 works in 83203
The four digits after the hyphen encode a delivery segment inside 83203. 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 83203 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 83203.
| ZIP | City | Distance |
|---|---|---|
| 83202 | Pocatello, ID | 5.6 mi |
| 83201 | Pocatello, ID | 9.6 mi |
| 83209 | Pocatello, ID | 11.5 mi |
| 83277 | Springfield, ID | 13.2 mi |
| 83204 | Pocatello, ID | 16.7 mi |
| 83245 | Inkom, ID | 17.6 mi |
| 83221 | Blackfoot, ID | 20.3 mi |
| 83262 | Pingree, ID | 20.3 mi |
| 83210 | Aberdeen, ID | 21.8 mi |
| 83218 | Basalt, ID | 24.2 mi |
| 83250 | Mccammon, ID | 26.8 mi |
| 83236 | Firth, ID | 27.9 mi |
Questions about 83203
What is the ZIP+4 code for 83203?
83203 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 83203, you need to look up a specific street address to get them.
What city is 83203?
83203 is assigned to Fort Hall, Idaho, in Bingham 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.