ZIP Code 61764 — Pontiac, IL
61764 is a standard (street delivery) ZIP code serving Pontiac, Illinois, in Livingston 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 61764 at a glance
| ZIP code | 61764 |
|---|---|
| Primary city | Pontiac |
| State | Illinois (IL) |
| County | Livingston FIPS 17105 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 13,668 |
| Coordinates | 40.883430, -88.626300 |
How ZIP+4 works in 61764
The four digits after the hyphen encode a delivery segment inside 61764. 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 61764 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 61764.
| ZIP | City | Distance |
|---|---|---|
| 61743 | Graymont, IL | 8.1 mi |
| 60460 | Odell, IL | 9.4 mi |
| 61726 | Chenoa, IL | 10.6 mi |
| 61319 | Cornell, IL | 10.7 mi |
| 61739 | Fairbury, IL | 11.8 mi |
| 61769 | Saunemin, IL | 11.9 mi |
| 61740 | Flanagan, IL | 12.4 mi |
| 61313 | Blackstone, IL | 13.2 mi |
| 61741 | Forrest, IL | 14.5 mi |
| 60934 | Emington, IL | 15.4 mi |
| 61333 | Long Point, IL | 15.5 mi |
| 61744 | Gridley, IL | 16.4 mi |
Questions about 61764
What is the ZIP+4 code for 61764?
61764 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 61764, you need to look up a specific street address to get them.
What city is 61764?
61764 is assigned to Pontiac, Illinois, in Livingston 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.