ZIP Code 46311 – Dyer, IN
Dyer, Indiana · Lake County · Central time
| ZIP code | 46311 |
|---|---|
| City | Dyer |
| State | Indiana |
| County | Lake County |
| Population | 23,321 |
| Time zone | Central · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 12.6 sq mi |
| Center (lat, long) | 41.4684, -87.5092 |
Area codes in this area
These are the area codes that most often serve ZIP 46311 (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 46311
ZIP code 46311 is assigned to Dyer, Indiana. It lies in Lake County. Its Census area covers about 12.6 square miles of land. The closest neighboring ZIP is 46373 (Saint John), about 2.8 miles away.
Every address in 46311 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