ZIP Code 50432 — Crystal Lake, IA
50432 is a standard (street delivery) ZIP code serving Crystal Lake, Iowa, in Hancock 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 50432 at a glance
| ZIP code | 50432 |
|---|---|
| Primary city | Crystal Lake |
| State | Iowa (IA) |
| County | Hancock FIPS 19081 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 283 |
| Coordinates | 43.223940, -93.797940 |
How ZIP+4 works in 50432
The four digits after the hyphen encode a delivery segment inside 50432. 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 50432 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 50432.
| ZIP | City | Distance |
|---|---|---|
| 50484 | Woden, IA | 5.7 mi |
| 50436 | Forest City, IA | 7.3 mi |
| 50423 | Britt, IA | 7.9 mi |
| 50438 | Garner, IA | 12 mi |
| 50453 | Leland, IA | 12.2 mi |
| 50478 | Thompson, IA | 12.4 mi |
| 50483 | Wesley, IA | 12.7 mi |
| 50480 | Titonka, IA | 12.9 mi |
| 50424 | Buffalo Center, IA | 14.6 mi |
| 50434 | Fertile, IA | 17.3 mi |
| 50482 | Ventura, IA | 17.3 mi |
| 50473 | Scarville, IA | 17.7 mi |
Questions about 50432
What is the ZIP+4 code for 50432?
50432 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 50432, you need to look up a specific street address to get them.
What city is 50432?
50432 is assigned to Crystal Lake, Iowa, in Hancock 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.