Postal reference
ZIP 61257, Illinois
ZIP code 61257 is associated with Hillsdale in Illinois in the GeoNames postal reference.
Reference details
- State
- Illinois (IL)
- ZIP code
- 61257
- Associated localities
- Hillsdale
- County names in postal records
- Rock Island
- Approximate postal point
- 41.5929, -90.2263
View point on map ↗
Postal information is adapted from GeoNames, CC BY 4.0. Locality associations and coordinates are approximate, not ZIP boundaries or a guarantee of current mail delivery.