| | Kent County | TX | 48263 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=KentCounty+TX |
| | King County | TX | 48269 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=KingCounty+TX |
| | Lamb County | TX | 48279 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=LambCounty+TX |
| | Lavaca County | TX | 48285 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=LavacaCounty+TX |
| | Lee County | TX | 48287 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=LeeCounty+TX |
| | Lynn County | TX | 48305 | | Lubbock, TX 31180 | Lubbock-Plainview, TX 352 | Outlying | metro county (urban) | farm-dependent | https://maps.google.com/?q=LynnCounty+TX |
| | Martin County | TX | 48317 | | Midland, TX 33260 | Midland-Odessa-Andrews,
TX 372 | Outlying | metro county (urban) | farm-dependent | https://maps.google.com/?q=MartinCounty+TX |
| | Menard County | TX | 48327 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=MenardCounty+TX |
| | Milam County | TX | 48331 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=MilamCounty+TX |
| | Mills County | TX | 48333 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=MillsCounty+TX |