ZIP Code 56342 — Isle, MN
56342 is a standard (street delivery) ZIP code serving Isle, Minnesota, in Aitkin 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 56342 at a glance
| ZIP code | 56342 |
|---|---|
| Primary city | Isle |
| State | Minnesota (MN) |
| County | Aitkin FIPS 27001 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 2,788 |
| Coordinates | 46.183470, -93.403920 |
How ZIP+4 works in 56342
The four digits after the hyphen encode a delivery segment inside 56342. 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 56342 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 56342.
| ZIP | City | Distance |
|---|---|---|
| 56386 | Wahkon, MN | 7.4 mi |
| 56350 | Mcgrath, MN | 11.8 mi |
| 56359 | Onamia, MN | 14.6 mi |
| 55051 | Mora, MN | 17.3 mi |
| 55735 | Finlayson, MN | 18.6 mi |
| 55007 | Brook Park, MN | 19.7 mi |
| 56450 | Garrison, MN | 20.9 mi |
| 56431 | Aitkin, MN | 23.6 mi |
| 56358 | Ogilvie, MN | 23.7 mi |
| 55036 | Henriette, MN | 25.5 mi |
| 56338 | Hillman, MN | 25.9 mi |
| 55795 | Willow River, MN | 27 mi |
Questions about 56342
What is the ZIP+4 code for 56342?
56342 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 56342, you need to look up a specific street address to get them.
What city is 56342?
56342 is assigned to Isle, Minnesota, in Aitkin 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.