ZIP Code 83843 — Moscow, ID
83843 is a standard (street delivery) ZIP code serving Moscow, Idaho, in Latah 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 83843 at a glance
| ZIP code | 83843 |
|---|---|
| Primary city | Moscow |
| State | Idaho (ID) |
| County | Latah FIPS 16057 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 26,591 |
| Coordinates | 46.722570, -116.941320 |
How ZIP+4 works in 83843
The four digits after the hyphen encode a delivery segment inside 83843. 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 83843 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.
Other ZIP codes in Moscow
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 83843.
| ZIP | City | Distance |
|---|---|---|
| 83844 | Moscow, ID | 3.7 mi |
| 83872 | Viola, ID | 9.4 mi |
| 83871 | Troy, ID | 9.7 mi |
| 83832 | Genesee, ID | 11.9 mi |
| 99163 | Pullman, WA | 13 mi |
| 83857 | Princeton, ID | 13.4 mi |
| 99161 | Palouse, WA | 14.9 mi |
| 99113 | Colton, WA | 15.2 mi |
| 99102 | Albion, WA | 15.4 mi |
| 83535 | Juliaetta, ID | 16.2 mi |
| 83855 | Potlatch, ID | 17.2 mi |
| 99179 | Uniontown, WA | 17.7 mi |
Questions about 83843
What is the ZIP+4 code for 83843?
83843 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 83843, you need to look up a specific street address to get them.
What city is 83843?
83843 is assigned to Moscow, Idaho, in Latah 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.