ZIP Code 61870 — Ridge Farm, IL
61870 is a standard (street delivery) ZIP code serving Ridge Farm, 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 61870 at a glance
| ZIP code | 61870 |
|---|---|
| Primary city | Ridge Farm |
| State | Illinois (IL) |
| County | Vermilion FIPS 17183 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,085 |
| Coordinates | 39.903250, -87.615620 |
How ZIP+4 works in 61870
The four digits after the hyphen encode a delivery segment inside 61870. 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 61870 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 61870.
| ZIP | City | Distance |
|---|---|---|
| 61846 | Georgetown, IL | 5 mi |
| 61850 | Indianola, IL | 7 mi |
| 61924 | Chrisman, IL | 7.9 mi |
| 47928 | Cayuga, IN | 8.2 mi |
| 47847 | Dana, IN | 8.7 mi |
| 61883 | Westville, IL | 9.2 mi |
| 61817 | Catlin, IL | 10.4 mi |
| 47966 | Newport, IN | 10.7 mi |
| 61876 | Sidell, IL | 11.9 mi |
| 47974 | Perrysville, IN | 12.2 mi |
| 61940 | Metcalf, IL | 12.5 mi |
| 47854 | Hillsdale, IN | 12.6 mi |
Questions about 61870
What is the ZIP+4 code for 61870?
61870 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 61870, you need to look up a specific street address to get them.
What city is 61870?
61870 is assigned to Ridge Farm, 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.