ZIP Code 50459 — Northwood, IA
50459 is a standard (street delivery) ZIP code serving Northwood, Iowa, in Worth 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 50459 at a glance
| ZIP code | 50459 |
|---|---|
| Primary city | Northwood |
| State | Iowa (IA) |
| County | Worth FIPS 19195 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 3,045 |
| Coordinates | 43.445800, -93.254450 |
How ZIP+4 works in 50459
The four digits after the hyphen encode a delivery segment inside 50459. 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 50459 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 50459.
| ZIP | City | Distance |
|---|---|---|
| 50448 | Kensett, IA | 6.6 mi |
| 56036 | Glenville, MN | 7.5 mi |
| 50456 | Manly, IA | 11.1 mi |
| 50426 | Carpenter, IA | 12.1 mi |
| 50440 | Grafton, IA | 12.2 mi |
| 56089 | Twin Lakes, MN | 12.4 mi |
| 50446 | Joice, IA | 12.4 mi |
| 50444 | Hanlontown, IA | 12.5 mi |
| 50450 | Lake Mills, IA | 13.4 mi |
| 56043 | Hayward, MN | 14.3 mi |
| 56029 | Emmons, MN | 14.9 mi |
| 56007 | Albert Lea, MN | 15.2 mi |
Questions about 50459
What is the ZIP+4 code for 50459?
50459 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 50459, you need to look up a specific street address to get them.
What city is 50459?
50459 is assigned to Northwood, Iowa, in Worth 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.