Postal reference
ZIP 61103, Illinois
ZIP code 61103 is associated with Rockford in Illinois in the GeoNames postal reference.
Reference details
- State
- Illinois (IL)
- ZIP code
- 61103
- Associated localities
- Rockford
- County names in postal records
- Winnebago
- Approximate postal point
- 42.301, -89.0833
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.