ZIP Code 62963 — Mound City, IL
62963 is a standard (street delivery) ZIP code serving Mound City, Illinois, in Pulaski 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 62963 at a glance
| ZIP code | 62963 |
|---|---|
| Primary city | Mound City |
| State | Illinois (IL) |
| County | Pulaski FIPS 17153 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 713 |
| Coordinates | 37.093300, -89.162630 |
How ZIP+4 works in 62963
The four digits after the hyphen encode a delivery segment inside 62963. 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 62963 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 62963.
| ZIP | City | Distance |
|---|---|---|
| 62964 | Mounds, IL | 3.7 mi |
| 62914 | Cairo, IL | 4.3 mi |
| 62996 | Villa Ridge, IL | 5 mi |
| 42024 | Barlow, KY | 6.3 mi |
| 62970 | Olmsted, IL | 9 mi |
| 62976 | Pulaski, IL | 9.1 mi |
| 62962 | Miller City, IL | 9.6 mi |
| 42056 | La Center, KY | 9.9 mi |
| 62969 | Olive Branch, IL | 10.9 mi |
| 62988 | Tamms, IL | 12.1 mi |
| 42087 | Wickliffe, KY | 12.1 mi |
| 42022 | Bandana, KY | 12.5 mi |
Questions about 62963
What is the ZIP+4 code for 62963?
62963 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 62963, you need to look up a specific street address to get them.
What city is 62963?
62963 is assigned to Mound City, Illinois, in Pulaski 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.