ZIP Code 56521 — Callaway, MN
56521 is a standard (street delivery) ZIP code serving Callaway, Minnesota, in Becker 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 56521 at a glance
| ZIP code | 56521 |
|---|---|
| Primary city | Callaway |
| State | Minnesota (MN) |
| County | Becker FIPS 27005 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 692 |
| Coordinates | 46.996910, -95.897830 |
How ZIP+4 works in 56521
The four digits after the hyphen encode a delivery segment inside 56521. 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 56521 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 56521.
| ZIP | City | Distance |
|---|---|---|
| 56569 | Ogema, MN | 6.5 mi |
| 56591 | White Earth, MN | 7.5 mi |
| 56511 | Audubon, MN | 11.2 mi |
| 56501 | Detroit Lakes, MN | 11.6 mi |
| 56578 | Rochert, MN | 12.4 mi |
| 56554 | Lake Park, MN | 12.8 mi |
| 56552 | Hitterdal, MN | 15 mi |
| 56589 | Waubun, MN | 15.1 mi |
| 56541 | Flom, MN | 16 mi |
| 56585 | Ulen, MN | 17.5 mi |
| 56544 | Frazee, MN | 21.7 mi |
| 56549 | Hawley, MN | 21.9 mi |
Questions about 56521
What is the ZIP+4 code for 56521?
56521 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 56521, you need to look up a specific street address to get them.
What city is 56521?
56521 is assigned to Callaway, Minnesota, in Becker 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.