ZIP Code 50571 — Palmer, IA
50571 is a standard (street delivery) ZIP code serving Palmer, Iowa, in Pocahontas 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 50571 at a glance
| ZIP code | 50571 |
|---|---|
| Primary city | Palmer |
| State | Iowa (IA) |
| County | Pocahontas FIPS 19151 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 273 |
| Coordinates | 42.634850, -94.580600 |
How ZIP+4 works in 50571
The four digits after the hyphen encode a delivery segment inside 50571. 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 50571 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 50571.
| ZIP | City | Distance |
|---|---|---|
| 50563 | Manson, IA | 7.9 mi |
| 50575 | Pomeroy, IA | 8 mi |
| 50574 | Pocahontas, IA | 8.4 mi |
| 50541 | Gilmore City, IA | 8.8 mi |
| 50524 | Clare, IA | 11.6 mi |
| 50518 | Barnum, IA | 13.2 mi |
| 50540 | Fonda, IA | 13.4 mi |
| 50552 | Knierim, IA | 13.7 mi |
| 50551 | Jolley, IA | 13.7 mi |
| 50581 | Rolfe, IA | 14.8 mi |
| 50520 | Bradgate, IA | 15 mi |
| 50546 | Havelock, IA | 15.7 mi |
Questions about 50571
What is the ZIP+4 code for 50571?
50571 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 50571, you need to look up a specific street address to get them.
What city is 50571?
50571 is assigned to Palmer, Iowa, in Pocahontas 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.