ZIP Code 46320
Hammond · Lake, Indiana
46320 is the ZIP code of Hammond in Lake, Indiana, United States.
- ZIP Code
- 46320
- County
- Lake
- State
- Indiana
- Country
- United States
Place with ZIP code 46320
| Place | County | Location |
|---|---|---|
| Hammond | Lake | 41.610, -87.508 |
Near Chicago
The nearest major city is Chicago, about 29 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 46320?
Hammond.
Which county and state is 46320 in?
Lake, Indiana, United States.
What is the nearest major city to 46320?
Chicago, about 29 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.