ZIP Code 62830 — Dix, IL
62830 is a standard (street delivery) ZIP code serving Dix, Illinois, in Jefferson 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 62830 at a glance
| ZIP code | 62830 |
|---|---|
| Primary city | Dix |
| State | Illinois (IL) |
| County | Jefferson FIPS 17081 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,416 |
| Coordinates | 38.445590, -88.964240 |
How ZIP+4 works in 62830
The four digits after the hyphen encode a delivery segment inside 62830. 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 62830 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 62830.
| ZIP | City | Distance |
|---|---|---|
| 62893 | Walnut Hill, IL | 3.9 mi |
| 62853 | Kell, IL | 5.6 mi |
| 62889 | Texico, IL | 7.4 mi |
| 62898 | Woodlawn, IL | 8.4 mi |
| 62864 | Mount Vernon, IL | 8.6 mi |
| 62801 | Centralia, IL | 10.6 mi |
| 62848 | Irvington, IL | 11 mi |
| 62881 | Salem, IL | 13.2 mi |
| 62814 | Bluford, IL | 13.5 mi |
| 62877 | Richview, IL | 13.6 mi |
| 62870 | Odin, IL | 13.9 mi |
| 62849 | Iuka, IL | 14.3 mi |
Questions about 62830
What is the ZIP+4 code for 62830?
62830 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 62830, you need to look up a specific street address to get them.
What city is 62830?
62830 is assigned to Dix, Illinois, in Jefferson 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.