Find the last 4 digits (ZIP+4) for an address in 40243

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ZIP Code 40243 – Louisville, KY

Louisville, Kentucky · Jefferson County · Eastern time

ZIP code40243
CityLouisville
StateKentucky
CountyJefferson County
Population12,002
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area4.11 sq mi
Center (lat, long)38.2402, -85.5326

Area codes in this area

502

These are the area codes that most often serve ZIP 40243 (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

40223 Louisville · 1.3 mi40242 Louisville · 3.9 mi40018 Eastwood · 4.2 mi40222 Louisville · 4.6 mi40241 Louisville · 4.7 mi40220 Louisville · 5 mi40245 Louisville · 5.1 mi40056 Pewee Valley · 5.3 mi

About ZIP 40243

ZIP code 40243 is assigned to Louisville, Kentucky. It lies in Jefferson County. Its Census area covers about 4.11 square miles of land. The closest neighboring ZIP is 40223 (Louisville), about 1.3 miles away.

Every address in 40243 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