ZIP Code 46403
Gary · Lake, Indiana
46403 is the ZIP code of Gary in Lake, Indiana, United States.
- ZIP Code
- 46403
- County
- Lake
- State
- Indiana
- Country
- United States
Place with ZIP code 46403
| Place | County | Location |
|---|---|---|
| Gary | Lake | 41.604, -87.259 |
Near Chicago
The nearest major city is Chicago, about 42 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 46403?
Gary.
Which county and state is 46403 in?
Lake, Indiana, United States.
What is the nearest major city to 46403?
Chicago, about 42 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.