Find the last 4 digits (ZIP+4) for an address in 40456

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ZIP Code 40456 – Mount Vernon, KY

Mount Vernon, Kentucky · Rockcastle County · Eastern time

ZIP code40456
CityMount Vernon
StateKentucky
CountyRockcastle County
Population8,370
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area162.75 sq mi
Center (lat, long)37.3535, -84.3195

Area codes in this area

606

These are the area codes that most often serve ZIP 40456 (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

40473 Renfro Valley · 2.5 mi40460 Orlando · 4.7 mi40492 Wildie · 4.9 mi40445 Livingston · 6.2 mi40409 Brodhead · 6.4 mi40419 Crab Orchard · 11 mi40729 East Bernstadt · 11.7 mi40481 Sandgap · 14.3 mi

About ZIP 40456

ZIP code 40456 is assigned to Mount Vernon, Kentucky. It lies in Rockcastle County. Its Census area covers about 162.75 square miles of land. The closest neighboring ZIP is 40473 (Renfro Valley), about 2.5 miles away.

Every address in 40456 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