ZIP Code 62998 — Wolf Lake, IL
62998 is a standard (street delivery) ZIP code serving Wolf Lake, 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 62998 at a glance
| ZIP code | 62998 |
|---|---|
| Primary city | Wolf Lake |
| State | Illinois (IL) |
| County | Union FIPS 17181 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 218 |
| Coordinates | 37.516490, -89.446980 |
How ZIP+4 works in 62998
The four digits after the hyphen encode a delivery segment inside 62998. 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 62998 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 62998.
| ZIP | City | Distance |
|---|---|---|
| 62905 | Alto Pass, IL | 6.2 mi |
| 62942 | Grand Tower, IL | 8.3 mi |
| 62952 | Jonesboro, IL | 9.1 mi |
| 63732 | Altenburg, MO | 9.5 mi |
| 62975 | Pomona, IL | 9.6 mi |
| 63755 | Jackson, MO | 11.8 mi |
| 62920 | Cobden, IL | 12 mi |
| 63748 | Frohna, MO | 13.9 mi |
| 62957 | Mcclure, IL | 14 mi |
| 62903 | Carbondale, IL | 14.2 mi |
| 63783 | Uniontown, MO | 14.4 mi |
| 63701 | Cape Girardeau, MO | 14.5 mi |
Questions about 62998
What is the ZIP+4 code for 62998?
62998 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 62998, you need to look up a specific street address to get them.
What city is 62998?
62998 is assigned to Wolf Lake, 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.