Find the last 4 digits (ZIP+4) for an address in 40743

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ZIP Code 40743 – London, KY

London, Kentucky · Laurel County · Eastern time

ZIP code40743
CityLondon
StateKentucky
CountyLaurel County
PopulationNot published (no Census ZIP area)
Time zoneEastern · local time
ZIP typePO box or unique ZIP (no Census area)
Center (lat, long)37.1345, -84.0457

Area codes in this area

606

These are the area codes that most often serve ZIP 40743 (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

40750 London · 2.1 mi40742 London · 3.9 mi40745 London · 3.9 mi40741 London · 4 mi40755 Pittsburg · 4.5 mi40740 Lily · 7.9 mi40744 London · 7.9 mi40729 East Bernstadt · 9.8 mi

About ZIP 40743

ZIP code 40743 is assigned to London, Kentucky. It lies in Laurel County. It is a PO-box-only or single-address ZIP, so the Census Bureau does not publish an area for it; the location shown is approximate. The closest neighboring ZIP is 40750 (London), about 2.1 miles away.

Every address in 40743 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