ZIP Code 50226 — Polk City, IA
50226 is a standard (street delivery) ZIP code serving Polk City, Iowa, in Polk 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 50226 at a glance
| ZIP code | 50226 |
|---|---|
| Primary city | Polk City |
| State | Iowa (IA) |
| County | Polk FIPS 19153 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 7,759 |
| Coordinates | 41.797160, -93.705660 |
How ZIP+4 works in 50226
The four digits after the hyphen encode a delivery segment inside 50226. 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 50226 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 50226.
| ZIP | City | Distance |
|---|---|---|
| 50244 | Slater, IA | 4.6 mi |
| 50243 | Sheldahl, IA | 4.7 mi |
| 50007 | Alleman, IA | 5.4 mi |
| 50109 | Granger, IA | 5.6 mi |
| 50023 | Ankeny, IA | 6 mi |
| 50131 | Johnston, IA | 6.9 mi |
| 50124 | Huxley, IA | 8 mi |
| 50111 | Grimes, IA | 8.7 mi |
| 50021 | Ankeny, IA | 8.8 mi |
| 50156 | Madrid, IA | 8.8 mi |
| 50073 | Elkhart, IA | 9.3 mi |
| 50134 | Kelley, IA | 10 mi |
Questions about 50226
What is the ZIP+4 code for 50226?
50226 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 50226, you need to look up a specific street address to get them.
What city is 50226?
50226 is assigned to Polk City, Iowa, in Polk 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.