ZIP Code 62028 — Elsah, IL
62028 is a standard (street delivery) ZIP code serving Elsah, Illinois, in Jersey 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 62028 at a glance
| ZIP code | 62028 |
|---|---|
| Primary city | Elsah |
| State | Illinois (IL) |
| County | Jersey FIPS 17083 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,385 |
| Coordinates | 38.959320, -90.353530 |
How ZIP+4 works in 62028
The four digits after the hyphen encode a delivery segment inside 62028. 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 62028 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 62028.
| ZIP | City | Distance |
|---|---|---|
| 63373 | Portage Des Sioux, MO | 3.1 mi |
| 62022 | Dow, IL | 3.2 mi |
| 62035 | Godfrey, IL | 6.1 mi |
| 62037 | Grafton, IL | 6.9 mi |
| 63034 | Florissant, MO | 8.5 mi |
| 63301 | Saint Charles, MO | 9.3 mi |
| 63386 | West Alton, MO | 9.4 mi |
| 63031 | Florissant, MO | 10 mi |
| 62052 | Jerseyville, IL | 10.7 mi |
| 62013 | Brussels, IL | 11.4 mi |
| 63033 | Florissant, MO | 12 mi |
| 62002 | Alton, IL | 12.2 mi |
Questions about 62028
What is the ZIP+4 code for 62028?
62028 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 62028, you need to look up a specific street address to get them.
What city is 62028?
62028 is assigned to Elsah, Illinois, in Jersey 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.