ZIP CodesKentucky ZIP codes: every city, town and county
946 ZIP codes of Kentucky (KY), listed by place and by county. Every code of the state starts with 4.
Kentucky at a glance
- ZIP codes in this list
- 946
- Lowest and highest
- 40003 to 42788
- First digit
- 4
- Three-digit prefixes
- 27, from 400 to 427
- Counties or equivalent areas
- 120
- Places named
- 785
- Most codes for one place
- Louisville (66)
- Largest ZIP code area
- 42633 Monticello, 419 sq mi
By county
- Adair County 6
- Allen County 3
- Anderson County 1
- Ballard County 5
- Barren County 9
- Bath County 5
- Bell County 11
- Boone County 9
- Bourbon County 4
- Boyd County 6
- Boyle County 6
- Bracken County 5
- Breathitt County 7
- Breckinridge County 13
- Bullitt County 7
- Butler County 6
- Caldwell County 2
- Calloway County 6
- Campbell County 11
- Carlisle County 4
- Carroll County 4
- Carter County 8
- Casey County 6
- Christian County 10
- Clark County 2
- Clay County 8
- Clinton County 2
- Crittenden County 3
- Cumberland County 2
- Daviess County 11
- Edmonson County 6
- Elliott County 2
- Estill County 2
- Fayette County 39
- Fleming County 7
- Floyd County 33
- Franklin County 9
- Fulton County 2
- Gallatin County 3
- Garrard County 3
- Grant County 6
- Graves County 12
- Grayson County 7
- Green County 2
- Greenup County 7
- Hancock County 4
- Hardin County 15
- Harlan County 26
- Harrison County 2
- Hart County 6
- Henderson County 8
- Henry County 11
- Hickman County 2
- Hopkins County 10
- Jackson County 6
- Jefferson County 73
- Jessamine County 4
- Johnson County 18
- Kenton County 12
- Knott County 18
- Knox County 17
- Larue County 4
- Laurel County 11
- Lawrence County 8
- Lee County 4
- Leslie County 17
- Letcher County 24
- Lewis County 5
- Lincoln County 6
- Livingston County 7
- Logan County 5
- Lyon County 2
- Madison County 6
- Magoffin County 4
- Marion County 8
- Marshall County 4
- Martin County 7
- Mason County 5
- McCracken County 5
- McCreary County 7
- McLean County 6
- Meade County 7
- Menifee County 4
- Mercer County 3
- Metcalfe County 5
- Monroe County 5
- Montgomery County 3
- Morgan County 8
- Muhlenberg County 13
- Nelson County 9
- Nicholas County 2
- Ohio County 11
- Oldham County 7
- Owen County 3
- Owsley County 4
- Pendleton County 3
- Perry County 25
- Pike County 41
- Powell County 3
- Pulaski County 11
- Robertson County 1
- Rockcastle County 6
- Rowan County 4
- Russell County 2
- Scott County 3
- Shelby County 6
- Simpson County 2
- Spencer County 2
- Taylor County 4
- Todd County 6
- Trigg County 2
- Trimble County 2
- Union County 5
- Warren County 10
- Washington County 4
- Wayne County 1
- Webster County 7
- Whitley County 6
- Wolfe County 4
- Woodford County 3
By city or town
No place in Kentucky matches. Try fewer letters, or the look-up for the whole country.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. Not connected with the United States Postal Service; for mailing, confirm the address with USPS.