ZIP Code 61379 — Wyanet, IL
61379 is a standard (street delivery) ZIP code serving Wyanet, 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 61379 at a glance
| ZIP code | 61379 |
|---|---|
| Primary city | Wyanet |
| State | Illinois (IL) |
| County | Bureau FIPS 17011 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,260 |
| Coordinates | 41.381440, -89.610770 |
How ZIP+4 works in 61379
The four digits after the hyphen encode a delivery segment inside 61379. 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 61379 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 61379.
| ZIP | City | Distance |
|---|---|---|
| 61338 | Manlius, IL | 6.7 mi |
| 61314 | Buda, IL | 6.7 mi |
| 61361 | Sheffield, IL | 8.4 mi |
| 61356 | Princeton, IL | 9.2 mi |
| 61368 | Tiskilwa, IL | 9.5 mi |
| 61346 | New Bedford, IL | 10.3 mi |
| 61376 | Walnut, IL | 11 mi |
| 61345 | Neponset, IL | 11.6 mi |
| 61323 | Dover, IL | 11.7 mi |
| 61328 | Kasbeer, IL | 11.8 mi |
| 61344 | Mineral, IL | 11.8 mi |
| 61421 | Bradford, IL | 14.1 mi |
Questions about 61379
What is the ZIP+4 code for 61379?
61379 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 61379, you need to look up a specific street address to get them.
What city is 61379?
61379 is assigned to Wyanet, 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.