Find the last 4 digits (ZIP+4) for an address in 46323

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ZIP Code 46323 – Hammond, IN

Hammond, Indiana · Lake County · Central time

ZIP code46323
CityHammond
StateIndiana
CountyLake County
Population23,047
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area6.2 sq mi
Center (lat, long)41.5894, -87.4537

Area codes in this area

574

These are the area codes that most often serve ZIP 46323 (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

46324 Hammond · 2.5 mi46406 Gary · 2.6 mi46320 Hammond · 2.6 mi46322 Highland · 3 mi46321 Munster · 3.9 mi46404 Gary · 4.1 mi46312 East Chicago · 4.2 mi46327 Hammond · 4.7 mi

About ZIP 46323

ZIP code 46323 is assigned to Hammond, Indiana. It lies in Lake County. Its Census area covers about 6.2 square miles of land. The closest neighboring ZIP is 46324 (Hammond), about 2.5 miles away.

Every address in 46323 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