ZIP Code 61539 — Kingston Mines, IL
61539 is a standard (street delivery) ZIP code serving Kingston Mines, Illinois, in Peoria 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 61539 at a glance
| ZIP code | 61539 |
|---|---|
| Primary city | Kingston Mines |
| State | Illinois (IL) |
| County | Peoria FIPS 17143 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 147 |
| Coordinates | 40.553750, -89.775610 |
How ZIP+4 works in 61539
The four digits after the hyphen encode a delivery segment inside 61539. 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 61539 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 61539.
| ZIP | City | Distance |
|---|---|---|
| 61533 | Glasford, IL | 4.1 mi |
| 61547 | Mapleton, IL | 4.3 mi |
| 61607 | Peoria, IL | 7 mi |
| 61546 | Manito, IL | 7.1 mi |
| 61564 | South Pekin, IL | 7.3 mi |
| 61554 | Pekin, IL | 8.1 mi |
| 61536 | Hanna City, IL | 9.5 mi |
| 61569 | Trivoli, IL | 10.6 mi |
| 61610 | Creve Coeur, IL | 11.1 mi |
| 61534 | Green Valley, IL | 11.2 mi |
| 61605 | Peoria, IL | 11.3 mi |
| 61604 | Peoria, IL | 12.3 mi |
Questions about 61539
What is the ZIP+4 code for 61539?
61539 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 61539, you need to look up a specific street address to get them.
What city is 61539?
61539 is assigned to Kingston Mines, Illinois, in Peoria 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.