ZIP Code 61729 — Congerville, IL
61729 is a standard (street delivery) ZIP code serving Congerville, Illinois, in Woodford 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 61729 at a glance
| ZIP code | 61729 |
|---|---|
| Primary city | Congerville |
| State | Illinois (IL) |
| County | Woodford FIPS 17203 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,263 |
| Coordinates | 40.627990, -89.223930 |
How ZIP+4 works in 61729
The four digits after the hyphen encode a delivery segment inside 61729. 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 61729 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 61729.
| ZIP | City | Distance |
|---|---|---|
| 61742 | Goodfield, IL | 2.6 mi |
| 61725 | Carlock, IL | 5.7 mi |
| 61733 | Deer Creek, IL | 5.9 mi |
| 61530 | Eureka, IL | 6.1 mi |
| 61732 | Danvers, IL | 6.7 mi |
| 61771 | Secor, IL | 7 mi |
| 61755 | Mackinaw, IL | 9.2 mi |
| 61550 | Morton, IL | 11.4 mi |
| 61571 | Washington, IL | 11.7 mi |
| 61748 | Hudson, IL | 12.3 mi |
| 61561 | Roanoke, IL | 12.3 mi |
| 61738 | El Paso, IL | 13.2 mi |
Questions about 61729
What is the ZIP+4 code for 61729?
61729 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 61729, you need to look up a specific street address to get them.
What city is 61729?
61729 is assigned to Congerville, Illinois, in Woodford 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.