ZIP Code 83610 — Cambridge, ID
83610 is a standard (street delivery) ZIP code serving Cambridge, Idaho, in Washington 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 83610 at a glance
| ZIP code | 83610 |
|---|---|
| Primary city | Cambridge |
| State | Idaho (ID) |
| County | Washington FIPS 16087 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Boise |
| Population | 992 |
| Coordinates | 44.702310, -116.782390 |
How ZIP+4 works in 83610
The four digits after the hyphen encode a delivery segment inside 83610. 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 83610 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 83610.
| ZIP | City | Distance |
|---|---|---|
| 83612 | Council, ID | 15.7 mi |
| 97840 | Oxbow, OR | 15.7 mi |
| 83643 | Mesa, ID | 16.8 mi |
| 97870 | Richland, OR | 21 mi |
| 83632 | Indian Valley, ID | 21.7 mi |
| 83672 | Weiser, ID | 24 mi |
| 83645 | Midvale, ID | 25.9 mi |
| 97834 | Halfway, OR | 27.9 mi |
| 97907 | Huntington, OR | 34.2 mi |
| 83654 | New Meadows, ID | 35.4 mi |
| 83657 | Ola, ID | 39.9 mi |
| 97909 | Jamieson, OR | 44.8 mi |
Questions about 83610
What is the ZIP+4 code for 83610?
83610 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 83610, you need to look up a specific street address to get them.
What city is 83610?
83610 is assigned to Cambridge, Idaho, in Washington 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.