ZIP Code 58030 — Fairmount, ND
58030 is a standard (street delivery) ZIP code serving Fairmount, North Dakota, in Richland 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 58030 at a glance
| ZIP code | 58030 |
|---|---|
| Primary city | Fairmount |
| State | North Dakota (ND) |
| County | Richland FIPS 38077 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 593 |
| Coordinates | 46.030350, -96.668180 |
How ZIP+4 works in 58030
The four digits after the hyphen encode a delivery segment inside 58030. 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 58030 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 58030.
| ZIP | City | Distance |
|---|---|---|
| 58041 | Hankinson, ND | 11.6 mi |
| 56583 | Tintah, MN | 12.7 mi |
| 57260 | Rosholt, SD | 13.6 mi |
| 56522 | Campbell, MN | 15.2 mi |
| 58074 | Wahpeton, ND | 16.3 mi |
| 56296 | Wheaton, MN | 16.8 mi |
| 58075 | Wahpeton, ND | 17 mi |
| 56565 | Nashua, MN | 17 mi |
| 58076 | Wahpeton, ND | 17.1 mi |
| 57255 | New Effington, SD | 17.6 mi |
| 58058 | Mantador, ND | 17.9 mi |
| 56520 | Breckenridge, MN | 19.3 mi |
Questions about 58030
What is the ZIP+4 code for 58030?
58030 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 58030, you need to look up a specific street address to get them.
What city is 58030?
58030 is assigned to Fairmount, North Dakota, in Richland 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.