ZIP Code 62961 — Millcreek, IL
62961 is a standard (street delivery) ZIP code serving Millcreek, Illinois, in Union 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 62961 at a glance
| ZIP code | 62961 |
|---|---|
| Primary city | Millcreek |
| State | Illinois (IL) |
| County | Union FIPS 17181 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 37 |
| Coordinates | 37.340630, -89.253780 |
How ZIP+4 works in 62961
The four digits after the hyphen encode a delivery segment inside 62961. 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 62961 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 62961.
| ZIP | City | Distance |
|---|---|---|
| 62926 | Dongola, IL | 6.8 mi |
| 62992 | Ullin, IL | 6.9 mi |
| 62952 | Jonesboro, IL | 7 mi |
| 62988 | Tamms, IL | 7.9 mi |
| 62976 | Pulaski, IL | 8.7 mi |
| 62906 | Anna, IL | 8.8 mi |
| 62957 | Mcclure, IL | 9.7 mi |
| 62990 | Thebes, IL | 11.3 mi |
| 62923 | Cypress, IL | 11.9 mi |
| 62970 | Olmsted, IL | 12.1 mi |
| 62996 | Villa Ridge, IL | 13.1 mi |
| 62969 | Olive Branch, IL | 14 mi |
Questions about 62961
What is the ZIP+4 code for 62961?
62961 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 62961, you need to look up a specific street address to get them.
What city is 62961?
62961 is assigned to Millcreek, Illinois, in Union 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.