ZIP Code 47921 — Boswell, IN
47921 is a standard (street delivery) ZIP code serving Boswell, Indiana, 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 47921 at a glance
| ZIP code | 47921 |
|---|---|
| Primary city | Boswell |
| State | Indiana (IN) |
| County | Benton FIPS 18007 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Indiana/Indianapolis |
| Population | 1,338 |
| Coordinates | 40.478380, -87.374850 |
How ZIP+4 works in 47921
The four digits after the hyphen encode a delivery segment inside 47921. 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 47921 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 47921.
| ZIP | City | Distance |
|---|---|---|
| 47917 | Ambia, IN | 5.4 mi |
| 47975 | Pine Village, IN | 6.8 mi |
| 47971 | Oxford, IN | 8 mi |
| 47986 | Templeton, IN | 9.1 mi |
| 47944 | Fowler, IN | 9.5 mi |
| 47993 | Williamsport, IN | 11.7 mi |
| 47970 | Otterbein, IN | 12.8 mi |
| 47991 | West Lebanon, IN | 14.2 mi |
| 60967 | Stockland, IL | 14.8 mi |
| 47918 | Attica, IN | 14.9 mi |
| 47942 | Earl Park, IN | 14.9 mi |
| 60942 | Hoopeston, IL | 15.1 mi |
Questions about 47921
What is the ZIP+4 code for 47921?
47921 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 47921, you need to look up a specific street address to get them.
What city is 47921?
47921 is assigned to Boswell, Indiana, 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.