Postal Codes for Janesville, Wisconsin
The postal codes for Janesville, Wisconsin, United States (4 codes, e.g. 53545). With map location and coordinates.
✓ Verified data
The postal codes for Janesville, Wisconsin, United States (4 codes):
| Postal code | Place | County / area | Coordinates |
|---|---|---|---|
| 53545 | Janesville | Rock | 42.736, -89.041 |
| 53546 | Janesville | Rock | 42.668, -89.003 |
| 53547 | Janesville | Rock | 42.729, -89.03 |
| 53548 | Janesville | Rock | 42.685, -89.129 |
‹ All postal codes in Wisconsin
Frequently asked questions
What is the postal code of Janesville?
Janesville has 4 postal codes; the first is 53545. They are all listed above with their areas.
Why does Janesville 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.