ZIP Code 62048 — Hartford, IL
62048 is a standard (street delivery) ZIP code serving Hartford, Illinois, in Madison 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 62048 at a glance
| ZIP code | 62048 |
|---|---|
| Primary city | Hartford |
| State | Illinois (IL) |
| County | Madison FIPS 17119 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 1,347 |
| Coordinates | 38.770040, -90.138950 |
How ZIP+4 works in 62048
The four digits after the hyphen encode a delivery segment inside 62048. 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 62048 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 62048.
| ZIP | City | Distance |
|---|---|---|
| 63138 | Saint Louis, MO | 3.1 mi |
| 63137 | Saint Louis, MO | 4.2 mi |
| 62040 | Granite City, IL | 4.3 mi |
| 62087 | South Roxana, IL | 5 mi |
| 62084 | Roxana, IL | 6.3 mi |
| 62060 | Madison, IL | 6.5 mi |
| 63147 | Saint Louis, MO | 6.6 mi |
| 63136 | Saint Louis, MO | 6.7 mi |
| 62090 | Venice, IL | 7.2 mi |
| 62095 | Wood River, IL | 7.3 mi |
| 62026 | Edwardsville, IL | 7.4 mi |
| 63033 | Florissant, MO | 7.7 mi |
Questions about 62048
What is the ZIP+4 code for 62048?
62048 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 62048, you need to look up a specific street address to get them.
What city is 62048?
62048 is assigned to Hartford, Illinois, in Madison 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.