Postal reference
ZIP 61104, Illinois
ZIP code 61104 is associated with Rockford in Illinois in the GeoNames postal reference.
Reference details
- State
- Illinois (IL)
- ZIP code
- 61104
- Associated localities
- Rockford
- County names in postal records
- Winnebago
- Approximate postal point
- 42.2554, -89.0768
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.