ZIP Code 58545 — Hazen, ND
58545 is a standard (street delivery) ZIP code serving Hazen, North Dakota, in Mercer 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 58545 at a glance
| ZIP code | 58545 |
|---|---|
| Primary city | Hazen |
| State | North Dakota (ND) |
| County | Mercer FIPS 38057 |
| ZIP type | Standard (street delivery) |
| Time zone | America/North_Dakota/Beulah |
| Population | 3,313 |
| Coordinates | 47.349160, -101.589210 |
How ZIP+4 works in 58545
The four digits after the hyphen encode a delivery segment inside 58545. 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 58545 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 58545.
| ZIP | City | Distance |
|---|---|---|
| 58571 | Stanton, ND | 9.3 mi |
| 58523 | Beulah, ND | 10.7 mi |
| 58565 | Riverdale, ND | 14.4 mi |
| 58580 | Zap, ND | 17.1 mi |
| 58576 | Underwood, ND | 18.6 mi |
| 58540 | Garrison, ND | 20 mi |
| 58541 | Golden Valley, ND | 21.6 mi |
| 58531 | Coleharbor, ND | 24.3 mi |
| 58577 | Washburn, ND | 25.1 mi |
| 58530 | Center, ND | 25.3 mi |
| 58775 | Roseglen, ND | 28 mi |
| 58563 | New Salem, ND | 31.7 mi |
Questions about 58545
What is the ZIP+4 code for 58545?
58545 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 58545, you need to look up a specific street address to get them.
What city is 58545?
58545 is assigned to Hazen, North Dakota, in Mercer 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.