ZIP Code 97456 — Monroe, OR
97456 is a standard (street delivery) ZIP code serving Monroe, Oregon, in Benton 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 97456 at a glance
| ZIP code | 97456 |
|---|---|
| Primary city | Monroe |
| State | Oregon (OR) |
| County | Benton FIPS 41003 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Los_Angeles |
| Population | 3,422 |
| Coordinates | 44.340360, -123.358930 |
How ZIP+4 works in 97456
The four digits after the hyphen encode a delivery segment inside 97456. 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 97456 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 97456.
| ZIP | City | Distance |
|---|---|---|
| 97333 | Corvallis, OR | 9.5 mi |
| 97448 | Junction City, OR | 9.8 mi |
| 97419 | Cheshire, OR | 11.4 mi |
| 97348 | Halsey, OR | 12 mi |
| 97324 | Alsea, OR | 13.4 mi |
| 97412 | Blachly, OR | 14.1 mi |
| 97377 | Shedd, OR | 15.3 mi |
| 97446 | Harrisburg, OR | 15.8 mi |
| 97331 | Corvallis, OR | 15.9 mi |
| 97437 | Elmira, OR | 16.8 mi |
| 97370 | Philomath, OR | 17.3 mi |
| 97461 | Noti, OR | 17.9 mi |
Questions about 97456
What is the ZIP+4 code for 97456?
97456 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 97456, you need to look up a specific street address to get them.
What city is 97456?
97456 is assigned to Monroe, Oregon, in Benton 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.