Postal Code for Alton, Illinois
The postal code for Alton, Illinois, United States is 62002. With map location and coordinates.
The postal code for Alton, Illinois, United States is 62002:
| Postal code | Place | County / area | Coordinates |
|---|---|---|---|
| 62002 | Alton | Madison | 38.909, -90.157 |
‹ All postal codes in Illinois
Frequently asked questions
What is the postal code of Alton?
The postal code of Alton is 62002.
Why does Alton have more than one postal code?
Larger towns and cities are split into several postal-code areas, each serving a different neighbourhood, PO-box range or large organisation.