ZIP Code 58456 — Kulm, ND
58456 is a standard (street delivery) ZIP code serving Kulm, North Dakota, in Dickey 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 58456 at a glance
| ZIP code | 58456 |
|---|---|
| Primary city | Kulm |
| State | North Dakota (ND) |
| County | Dickey FIPS 38021 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 703 |
| Coordinates | 46.256740, -98.954750 |
How ZIP+4 works in 58456
The four digits after the hyphen encode a delivery segment inside 58456. 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 58456 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 58456.
| ZIP | City | Distance |
|---|---|---|
| 58440 | Fredonia, ND | 10.1 mi |
| 58433 | Edgeley, ND | 13.6 mi |
| 58460 | Lehr, ND | 17.8 mi |
| 58439 | Forbes, ND | 20.8 mi |
| 58436 | Ellendale, ND | 21.3 mi |
| 58454 | Jud, ND | 23.5 mi |
| 58415 | Berlin, ND | 23.6 mi |
| 58442 | Gackle, ND | 23.9 mi |
| 58413 | Ashley, ND | 24.2 mi |
| 58431 | Dickey, ND | 27.8 mi |
| 58441 | Fullerton, ND | 28.1 mi |
| 57457 | Long Lake, SD | 28.2 mi |
Questions about 58456
What is the ZIP+4 code for 58456?
58456 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 58456, you need to look up a specific street address to get them.
What city is 58456?
58456 is assigned to Kulm, North Dakota, in Dickey 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.