ZIP Code 83648 — Mountain Home Afb, ID
83648 is a standard (street delivery) ZIP code serving Mountain Home Afb, Idaho, in Elmore 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 83648 at a glance
| ZIP code | 83648 |
|---|---|
| Primary city | Mountain Home Afb |
| State | Idaho (ID) |
| County | Elmore FIPS 16039 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Boise |
| Population | 3,219 |
| Coordinates | 43.049620, -115.865540 |
How ZIP+4 works in 83648
The four digits after the hyphen encode a delivery segment inside 83648. 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 83648 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 83648.
| ZIP | City | Distance |
|---|---|---|
| 83624 | Grand View, ID | 16.4 mi |
| 83627 | Hammett, ID | 19.3 mi |
| 83623 | Glenns Ferry, ID | 23.7 mi |
| 83647 | Mountain Home, ID | 29.8 mi |
| 83634 | Kuna, ID | 36.2 mi |
Questions about 83648
What is the ZIP+4 code for 83648?
83648 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 83648, you need to look up a specific street address to get them.
What city is 83648?
83648 is assigned to Mountain Home Afb, Idaho, in Elmore 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.