ZIP Code 46373
Saint John · Lake, Indiana
46373 is the ZIP code of Saint John in Lake, Indiana, United States.
- ZIP Code
- 46373
- County
- Lake
- State
- Indiana
- Country
- United States
Place with ZIP code 46373
| Place | County | Location |
|---|---|---|
| Saint John | Lake | 41.450, -87.476 |
Near Chicago
The nearest major city is Chicago, about 47 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 46373?
Saint John.
Which county and state is 46373 in?
Lake, Indiana, United States.
What is the nearest major city to 46373?
Chicago, about 47 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.