ZIP Code 56455 — Ironton, MN
56455 is a standard (street delivery) ZIP code serving Ironton, Minnesota, in Crow Wing 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 56455 at a glance
| ZIP code | 56455 |
|---|---|
| Primary city | Ironton |
| State | Minnesota (MN) |
| County | Crow Wing FIPS 27035 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,688 |
| Coordinates | 46.449530, -94.006810 |
How ZIP+4 works in 56455
The four digits after the hyphen encode a delivery segment inside 56455. 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 56455 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 56455.
| ZIP | City | Distance |
|---|---|---|
| 56444 | Deerwood, MN | 6.5 mi |
| 56465 | Merrifield, MN | 7.8 mi |
| 56441 | Crosby, MN | 9.5 mi |
| 56401 | Brainerd, MN | 10.3 mi |
| 56468 | Nisswa, MN | 14.2 mi |
| 56425 | Baxter, MN | 15.1 mi |
| 56442 | Crosslake, MN | 16.2 mi |
| 56450 | Garrison, MN | 17 mi |
| 56431 | Aitkin, MN | 17.4 mi |
| 56472 | Pequot Lakes, MN | 18.4 mi |
| 56447 | Emily, MN | 20.7 mi |
| 56449 | Fort Ripley, MN | 22.8 mi |
Questions about 56455
What is the ZIP+4 code for 56455?
56455 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 56455, you need to look up a specific street address to get them.
What city is 56455?
56455 is assigned to Ironton, Minnesota, in Crow Wing 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.