61257 postal code
United StatesUpdated 2026-11-09Hillsdale, IllinoisRock Island5 digits
Postal code details
1 placeCode
61257
Place
Hillsdale
Region
Illinois
County
Rock Island
Coordinates
41.5929, -90.2263
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗
41.5929, -90.2263© OpenStreetMap
Ad slot · 300×250
Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Hillsdale | Illinois | Rock Island | 41.5929, -90.2263 |
FAQ
Which city is 61257 in?
Hillsdale, Illinois, United States.
What are the coordinates of 61257?
41.5929, -90.2263
Is 61257 used in other countries?
Yes, 2 other countries.
Updated 2026-11-09. Attribution in Data & license.