ZIP Code 46304 – Chesterton, IN
Chesterton, Indiana · Porter County · Central time
| ZIP code | 46304 |
|---|---|
| City | Chesterton |
| State | Indiana |
| County | Porter County |
| Population | 28,307 |
| Time zone | Central · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 57.78 sq mi |
| Center (lat, long) | 41.6145, -87.0504 |
Area codes in this area
These are the area codes that most often serve ZIP 46304 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 46304
ZIP code 46304 is assigned to Chesterton, Indiana. It lies in Porter County. Its Census area covers about 57.78 square miles of land. The closest neighboring ZIP is 46301 (Beverly Shores), about 6.7 miles away.
Every address in 46304 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources