ZIP Code 61368 — Tiskilwa, IL
61368 is a standard (street delivery) ZIP code serving Tiskilwa, 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 61368 at a glance
| ZIP code | 61368 |
|---|---|
| Primary city | Tiskilwa |
| State | Illinois (IL) |
| County | Bureau FIPS 17011 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,273 |
| Coordinates | 41.261130, -89.519810 |
How ZIP+4 works in 61368
The four digits after the hyphen encode a delivery segment inside 61368. 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 61368 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 61368.
| ZIP | City | Distance |
|---|---|---|
| 61560 | Putnam, IL | 8.1 mi |
| 61315 | Bureau, IL | 8.2 mi |
| 61314 | Buda, IL | 8.4 mi |
| 61421 | Bradford, IL | 8.8 mi |
| 61379 | Wyanet, IL | 9.5 mi |
| 61356 | Princeton, IL | 9.9 mi |
| 61537 | Henry, IL | 10.3 mi |
| 61327 | Hennepin, IL | 11.2 mi |
| 61322 | Depue, IL | 11.8 mi |
| 61323 | Dover, IL | 13.6 mi |
| 61426 | Castleton, IL | 13.7 mi |
| 61340 | Mark, IL | 13.9 mi |
Questions about 61368
What is the ZIP+4 code for 61368?
61368 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 61368, you need to look up a specific street address to get them.
What city is 61368?
61368 is assigned to Tiskilwa, 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.