ZIP Code 61841 — Fairmount, IL
61841 is a standard (street delivery) ZIP code serving Fairmount, Illinois, in Vermilion 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 61841 at a glance
| ZIP code | 61841 |
|---|---|
| Primary city | Fairmount |
| State | Illinois (IL) |
| County | Vermilion FIPS 17183 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,112 |
| Coordinates | 40.027750, -87.824590 |
How ZIP+4 works in 61841
The four digits after the hyphen encode a delivery segment inside 61841. 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 61841 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 61841.
| ZIP | City | Distance |
|---|---|---|
| 61817 | Catlin, IL | 5.5 mi |
| 61857 | Muncie, IL | 6.3 mi |
| 61849 | Homer, IL | 7.3 mi |
| 61858 | Oakwood, IL | 7.8 mi |
| 61850 | Indianola, IL | 8 mi |
| 61844 | Fithian, IL | 8.4 mi |
| 61876 | Sidell, IL | 8.5 mi |
| 61810 | Allerton, IL | 9.5 mi |
| 61883 | Westville, IL | 9.8 mi |
| 61833 | Tilton, IL | 10.6 mi |
| 61859 | Ogden, IL | 11.2 mi |
| 61846 | Georgetown, IL | 11.8 mi |
Questions about 61841
What is the ZIP+4 code for 61841?
61841 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 61841, you need to look up a specific street address to get them.
What city is 61841?
61841 is assigned to Fairmount, Illinois, in Vermilion 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.