ZIP Code 61328 — Kasbeer, IL
61328 is a standard (street delivery) ZIP code serving Kasbeer, Illinois, in Bureau 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 61328 at a glance
| ZIP code | 61328 |
|---|---|
| Primary city | Kasbeer |
| State | Illinois (IL) |
| County | Bureau FIPS 17011 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 18 |
| Coordinates | 41.509240, -89.459000 |
How ZIP+4 works in 61328
The four digits after the hyphen encode a delivery segment inside 61328. 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 61328 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 61328.
| ZIP | City | Distance |
|---|---|---|
| 61349 | Ohio, IL | 3.1 mi |
| 61374 | Van Orin, IL | 5.9 mi |
| 61323 | Dover, IL | 6 mi |
| 61376 | Walnut, IL | 8 mi |
| 61356 | Princeton, IL | 8.4 mi |
| 61337 | Malden, IL | 8.8 mi |
| 61330 | La Moille, IL | 9.6 mi |
| 61338 | Manlius, IL | 11 mi |
| 61379 | Wyanet, IL | 11.8 mi |
| 61367 | Sublette, IL | 13 mi |
| 61312 | Arlington, IL | 13.1 mi |
| 61042 | Harmon, IL | 13.4 mi |
Questions about 61328
What is the ZIP+4 code for 61328?
61328 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 61328, you need to look up a specific street address to get them.
What city is 61328?
61328 is assigned to Kasbeer, Illinois, in Bureau 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.