| | Larue County | KY | 21123 | | Elizabethtown, KY 21060 | Louisville/Jefferson
County--Elizabethtown,
KY-IN 350 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=LarueCounty+KY |
| | Laurel County | KY | 21125 | | Corbin, KY 18340 | Middlesborough-Corbin, KY 371 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=LaurelCounty+Kentucky |
| | Lawrence County | KY | 21127 | | Huntington-Ashland,
WV-KY-OH 26580 | Charleston-Huntington-Ashland,
WV-OH-KY 170 | Outlying | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=LawrenceCounty+KY |
| | Lee County | KY | 21129 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=LeeCounty+KY |
| | Lincoln County | KY | 21137 | | Danville, KY 19220 | | Outlying | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=LincolnCounty+KY |
| | McCracken County | KY | 21145 | | Paducah, KY-IL 37140 | Paducah-Mayfield, KY-IL 424 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=McCrackenCounty+KY |
| | Magoffin County | KY | 21153 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=MagoffinCounty+KY |
| | Mason County | KY | 21161 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=MasonCounty+Kentucky |
| | Meade County | KY | 21163 | | Louisville/Jefferson
County, KY-IN 31140 | Louisville/Jefferson
County--Elizabethtown,
KY-IN 350 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=MeadeCounty+KY |
| | Oldham County | KY | 21185 | | Louisville/Jefferson
County, KY-IN 31140 | Louisville/Jefferson
County--Elizabethtown,
KY-IN 350 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=OldhamCounty+KY |