ZIP Code 52338 — Swisher, IA
52338 is a standard (street delivery) ZIP code serving Swisher, Iowa, in Johnson 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 52338 at a glance
| ZIP code | 52338 |
|---|---|
| Primary city | Swisher |
| State | Iowa (IA) |
| County | Johnson FIPS 19103 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 3,934 |
| Coordinates | 41.829040, -91.708580 |
How ZIP+4 works in 52338
The four digits after the hyphen encode a delivery segment inside 52338. 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 52338 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 52338.
| ZIP | City | Distance |
|---|---|---|
| 52317 | North Liberty, IA | 6.1 mi |
| 52404 | Cedar Rapids, IA | 6.4 mi |
| 52228 | Fairfax, IA | 6.6 mi |
| 52351 | Walford, IA | 7.2 mi |
| 52340 | Tiffin, IA | 8.6 mi |
| 52227 | Ely, IA | 8.8 mi |
| 52203 | Amana, IA | 9.4 mi |
| 52322 | Oxford, IA | 9.8 mi |
| 52307 | Middle Amana, IA | 10.3 mi |
| 52401 | Cedar Rapids, IA | 10.4 mi |
| 52318 | Norway, IA | 10.5 mi |
| 52241 | Coralville, IA | 10.7 mi |
Questions about 52338
What is the ZIP+4 code for 52338?
52338 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 52338, you need to look up a specific street address to get them.
What city is 52338?
52338 is assigned to Swisher, Iowa, in Johnson 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.