Find the last 4 digits (ZIP+4) for an address in 46203

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ZIP Code 46203 – Indianapolis, IN

Indianapolis, Indiana · Marion County · Eastern time

ZIP code46203
CityIndianapolis
StateIndiana
CountyMarion County
Population37,758
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area13.94 sq mi
Center (lat, long)39.7368, -86.0958

Area codes in this area

317463

These are the area codes that most often serve ZIP 46203 (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

46107 Beech Grove · 1.4 mi46201 Indianapolis · 2.6 mi46209 Indianapolis · 3.5 mi46211 Indianapolis · 3.5 mi46230 Indianapolis · 3.5 mi46242 Indianapolis · 3.5 mi46244 Indianapolis · 3.5 mi46247 Indianapolis · 3.5 mi

About ZIP 46203

ZIP code 46203 is assigned to Indianapolis, Indiana. It lies in Marion County. Its Census area covers about 13.94 square miles of land. The closest neighboring ZIP is 46107 (Beech Grove), about 1.4 miles away.

Every address in 46203 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