ZIP Code 61012 — Capron, IL
61012 is a standard (street delivery) ZIP code serving Capron, Illinois, in Boone 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 61012 at a glance
| ZIP code | 61012 |
|---|---|
| Primary city | Capron |
| State | Illinois (IL) |
| County | Boone FIPS 17007 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 2,264 |
| Coordinates | 42.407490, -88.754460 |
How ZIP+4 works in 61012
The four digits after the hyphen encode a delivery segment inside 61012. 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 61012 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 61012.
| ZIP | City | Distance |
|---|---|---|
| 61065 | Poplar Grove, IL | 3.7 mi |
| 60033 | Harvard, IL | 7.4 mi |
| 61011 | Caledonia, IL | 8.2 mi |
| 53585 | Sharon, WI | 8.7 mi |
| 61038 | Garden Prairie, IL | 10 mi |
| 53525 | Clinton, WI | 10.7 mi |
| 53184 | Walworth, WI | 11.3 mi |
| 61008 | Belvidere, IL | 12 mi |
| 61073 | Roscoe, IL | 12.2 mi |
| 61080 | South Beloit, IL | 13 mi |
| 60152 | Marengo, IL | 13.4 mi |
| 61111 | Loves Park, IL | 13.6 mi |
Questions about 61012
What is the ZIP+4 code for 61012?
61012 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 61012, you need to look up a specific street address to get them.
What city is 61012?
61012 is assigned to Capron, Illinois, in Boone 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.