ZIP Code 58266 — Niagara, ND
58266 is a standard (street delivery) ZIP code serving Niagara, North Dakota, in Grand Forks 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 58266 at a glance
| ZIP code | 58266 |
|---|---|
| Primary city | Niagara |
| State | North Dakota (ND) |
| County | Grand Forks FIPS 38035 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 74 |
| Coordinates | 48.001270, -97.849670 |
How ZIP+4 works in 58266
The four digits after the hyphen encode a delivery segment inside 58266. 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 58266 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 58266.
| ZIP | City | Distance |
|---|---|---|
| 58272 | Petersburg, ND | 6.3 mi |
| 58251 | Larimore, ND | 8.2 mi |
| 58244 | Inkster, ND | 11.6 mi |
| 58224 | Dahlen, ND | 12.3 mi |
| 58259 | Michigan, ND | 12.6 mi |
| 58231 | Fordville, ND | 13.9 mi |
| 58214 | Arvilla, ND | 17.1 mi |
| 58235 | Gilby, ND | 18 mi |
| 58233 | Forest River, ND | 19.6 mi |
| 58267 | Northwood, ND | 19.8 mi |
| 58250 | Lankin, ND | 20.6 mi |
| 58254 | Mcville, ND | 21 mi |
Questions about 58266
What is the ZIP+4 code for 58266?
58266 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 58266, you need to look up a specific street address to get them.
What city is 58266?
58266 is assigned to Niagara, North Dakota, in Grand Forks 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.