ZIP Code 61532 — Forest City, IL
61532 is a standard (street delivery) ZIP code serving Forest City, Illinois, in Mason 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 61532 at a glance
| ZIP code | 61532 |
|---|---|
| Primary city | Forest City |
| State | Illinois (IL) |
| County | Mason FIPS 17125 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 347 |
| Coordinates | 40.348510, -89.806920 |
How ZIP+4 works in 61532
The four digits after the hyphen encode a delivery segment inside 61532. 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 61532 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 61532.
| ZIP | City | Distance |
|---|---|---|
| 61567 | Topeka, IL | 4.8 mi |
| 61546 | Manito, IL | 7.2 mi |
| 61534 | Green Valley, IL | 8.8 mi |
| 62633 | Easton, IL | 9.2 mi |
| 62682 | San Jose, IL | 9.7 mi |
| 61543 | Liverpool, IL | 9.9 mi |
| 62664 | Mason City, IL | 10.4 mi |
| 61564 | South Pekin, IL | 13 mi |
| 62644 | Havana, IL | 14 mi |
| 61539 | Kingston Mines, IL | 14.3 mi |
| 61734 | Delavan, IL | 14.9 mi |
| 61524 | Dunfermline, IL | 15.5 mi |
Questions about 61532
What is the ZIP+4 code for 61532?
61532 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 61532, you need to look up a specific street address to get them.
What city is 61532?
61532 is assigned to Forest City, Illinois, in Mason 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.