ZIP Code 58621 — Beach, ND
58621 is a standard (street delivery) ZIP code serving Beach, North Dakota, in Golden Valley 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 58621 at a glance
| ZIP code | 58621 |
|---|---|
| Primary city | Beach |
| State | North Dakota (ND) |
| County | Golden Valley FIPS 38033 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 1,161 |
| Coordinates | 47.097710, -103.926520 |
How ZIP+4 works in 58621
The four digits after the hyphen encode a delivery segment inside 58621. 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 58621 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 58621.
| ZIP | City | Distance |
|---|---|---|
| 59353 | Wibaux, MT | 19.1 mi |
| 58645 | Medora, ND | 21 mi |
| 58654 | Sentinel Butte, ND | 22.6 mi |
| 58632 | Golva, ND | 28.6 mi |
| 59270 | Sidney, MT | 33.6 mi |
| 58634 | Grassy Butte, ND | 35.6 mi |
| 59217 | Crane, MT | 36.8 mi |
| 59262 | Savage, MT | 38.5 mi |
Questions about 58621
What is the ZIP+4 code for 58621?
58621 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 58621, you need to look up a specific street address to get them.
What city is 58621?
58621 is assigned to Beach, North Dakota, in Golden Valley 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.