| | Caldwell Parish | LA | 22021 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=CaldwellParish+LA |
| | Catahoula Parish | LA | 22025 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=CatahoulaParish+LA |
| | Claiborne Parish | LA | 22027 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=ClaiborneParish+LA |
| | Concordia Parish | LA | 22029 | | Natchez, MS-LA 35020 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=ConcordiaParish+LA |
| | East Carroll Parish | LA | 22035 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=EastCarrollParish+LA |
| | Evangeline Parish | LA | 22039 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=EvangelineParish+LA |
| | Franklin Parish | LA | 22041 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=FranklinParish+LA |
| | Jackson Parish | LA | 22049 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=JacksonParish+LA |
| | Jefferson Davis Parish | LA | 22053 | | Lake Charles, LA 29340 | Lake Charles-DeRidder, LA 324 | Outlying | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=JeffersonDavisParish+Louisiana |
| | LaSalle Parish | LA | 22059 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=LaSalleParish+LA |