ZIP Code 50242 — Searsboro, IA
50242 is a standard (street delivery) ZIP code serving Searsboro, Iowa, in Poweshiek 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 50242 at a glance
| ZIP code | 50242 |
|---|---|
| Primary city | Searsboro |
| State | Iowa (IA) |
| County | Poweshiek FIPS 19157 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 326 |
| Coordinates | 41.563320, -92.694280 |
How ZIP+4 works in 50242
The four digits after the hyphen encode a delivery segment inside 50242. 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 50242 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 50242.
| ZIP | City | Distance |
|---|---|---|
| 50153 | Lynnville, IA | 5.6 mi |
| 50171 | Montezuma, IA | 8.8 mi |
| 50251 | Sully, IA | 9.1 mi |
| 50207 | New Sharon, IA | 9.4 mi |
| 50112 | Grinnell, IA | 11.7 mi |
| 50137 | Killduff, IA | 12.1 mi |
| 50027 | Barnes City, IA | 13 mi |
| 50232 | Reasnor, IA | 14.2 mi |
| 50157 | Malcom, IA | 14.3 mi |
| 50219 | Pella, IA | 14.4 mi |
| 50143 | Leighton, IA | 16.2 mi |
| 50135 | Kellogg, IA | 16.3 mi |
Questions about 50242
What is the ZIP+4 code for 50242?
50242 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 50242, you need to look up a specific street address to get them.
What city is 50242?
50242 is assigned to Searsboro, Iowa, in Poweshiek 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.