ZIP Code 58630 — Gladstone, ND
58630 is a standard (street delivery) ZIP code serving Gladstone, North Dakota, in Stark 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 58630 at a glance
| ZIP code | 58630 |
|---|---|
| Primary city | Gladstone |
| State | North Dakota (ND) |
| County | Stark FIPS 38089 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 367 |
| Coordinates | 46.919810, -102.576030 |
How ZIP+4 works in 58630
The four digits after the hyphen encode a delivery segment inside 58630. 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 58630 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 58630.
| ZIP | City | Distance |
|---|---|---|
| 58656 | Taylor, ND | 5.6 mi |
| 58601 | Dickinson, ND | 11.9 mi |
| 58652 | Richardton, ND | 14.6 mi |
| 58641 | Lefor, ND | 17.9 mi |
| 58644 | Marshall, ND | 18.4 mi |
| 58642 | Manning, ND | 23 mi |
| 58655 | South Heart, ND | 23.6 mi |
| 58638 | Hebron, ND | 24.9 mi |
| 58625 | Dodge, ND | 30.7 mi |
| 58626 | Dunn Center, ND | 31.6 mi |
| 58647 | New England, ND | 32.5 mi |
| 58650 | Regent, ND | 33.6 mi |
Questions about 58630
What is the ZIP+4 code for 58630?
58630 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 58630, you need to look up a specific street address to get them.
What city is 58630?
58630 is assigned to Gladstone, North Dakota, in Stark 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.