ZIP Code 52203 — Amana, IA
52203 is a standard (street delivery) ZIP code serving Amana, Iowa, in Iowa 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 52203 at a glance
| ZIP code | 52203 |
|---|---|
| Primary city | Amana |
| State | Iowa (IA) |
| County | Iowa FIPS 19095 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 2,231 |
| Coordinates | 41.810350, -91.890600 |
How ZIP+4 works in 52203
The four digits after the hyphen encode a delivery segment inside 52203. 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 52203 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 52203.
| ZIP | City | Distance |
|---|---|---|
| 52307 | Middle Amana, IA | 1.4 mi |
| 52351 | Walford, IA | 5.3 mi |
| 52318 | Norway, IA | 5.5 mi |
| 52236 | Homestead, IA | 5.5 mi |
| 52334 | South Amana, IA | 6.1 mi |
| 52220 | Conroy, IA | 8 mi |
| 52228 | Fairfax, IA | 8.2 mi |
| 52354 | Watkins, IA | 9 mi |
| 52338 | Swisher, IA | 9.4 mi |
| 52301 | Marengo, IA | 10.4 mi |
| 52322 | Oxford, IA | 10.5 mi |
| 52209 | Blairstown, IA | 12.5 mi |
Questions about 52203
What is the ZIP+4 code for 52203?
52203 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 52203, you need to look up a specific street address to get them.
What city is 52203?
52203 is assigned to Amana, Iowa, in Iowa 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.