ZIP Code 52209 — Blairstown, IA
52209 is a standard (street delivery) ZIP code serving Blairstown, Iowa, in Benton 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 52209 at a glance
| ZIP code | 52209 |
|---|---|
| Primary city | Blairstown |
| State | Iowa (IA) |
| County | Benton FIPS 19011 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,158 |
| Coordinates | 41.908090, -92.094620 |
How ZIP+4 works in 52209
The four digits after the hyphen encode a delivery segment inside 52209. 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 52209 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 52209.
| ZIP | City | Distance |
|---|---|---|
| 52257 | Luzerne, IA | 4.3 mi |
| 52354 | Watkins, IA | 5.5 mi |
| 52346 | Van Horne, IA | 7.3 mi |
| 52301 | Marengo, IA | 8.4 mi |
| 52208 | Belle Plaine, IA | 8.9 mi |
| 52315 | Newhall, IA | 9.1 mi |
| 52249 | Keystone, IA | 9.1 mi |
| 52318 | Norway, IA | 10.2 mi |
| 52206 | Atkins, IA | 12.1 mi |
| 52203 | Amana, IA | 12.5 mi |
| 52307 | Middle Amana, IA | 12.7 mi |
| 52220 | Conroy, IA | 13.5 mi |
Questions about 52209
What is the ZIP+4 code for 52209?
52209 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 52209, you need to look up a specific street address to get them.
What city is 52209?
52209 is assigned to Blairstown, Iowa, in Benton 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.