Find the last 4 digits (ZIP+4) for an address in 46303

ZIP 46303, Cedar Lake, IN is filled in. Just type the street address.

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ZIP Code 46303 – Cedar Lake, IN

Cedar Lake, Indiana · Lake County · Central time

ZIP code46303
CityCedar Lake
StateIndiana
CountyLake County
Population17,680
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area28.72 sq mi
Center (lat, long)41.3736, -87.4793

Area codes in this area

574

These are the area codes that most often serve ZIP 46303 (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

46373 Saint John · 4.7 mi46308 Crown Point · 6.6 mi60417 Crete · 6.7 mi46311 Dyer · 6.7 mi60401 Beecher · 7.2 mi46325 Hammond · 8.2 mi46411 Merrillville · 8.2 mi46307 Crown Point · 8.2 mi

About ZIP 46303

ZIP code 46303 is assigned to Cedar Lake, Indiana. It lies in Lake County. Its Census area covers about 28.72 square miles of land. The closest neighboring ZIP is 46373 (Saint John), about 4.7 miles away.

Every address in 46303 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