| | Claiborne Parish | LA | 22027 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=ClaiborneParish+LA |
| | De Soto Parish | LA | 22031 | | Shreveport-Bossier City,
LA 43340 | Shreveport-Bossier
City-Minden, LA 508 | Outlying | metro county (urban) | mining-dependent | https://maps.google.com/?q=DeSotoParish+LA |
| | Iberia Parish | LA | 22045 | | New Iberia, LA 35340 | Lafayette-New
Iberia-Opelousas, LA 318 | Central | metro county (urban) | mining-dependent | https://maps.google.com/?q=IberiaParish+LA |
| | Lafayette Parish | LA | 22055 | | Lafayette, LA 29180 | Lafayette-New
Iberia-Opelousas, LA 318 | Central | metro county (urban) | mining-dependent | https://maps.google.com/?q=LafayetteParish+LA |
| | LaSalle Parish | LA | 22059 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=LaSalleParish+LA |
| | St. Mary Parish | LA | 22101 | | Morgan City, LA 34020 | | Central | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=St.MaryParish+LA |
| | Vermilion Parish | LA | 22113 | | Lafayette, LA 29180 | Lafayette-New
Iberia-Opelousas, LA 318 | Outlying | metro county (urban) | mining-dependent | https://maps.google.com/?q=VermilionParish+LA |
| | Acadia Parish | LA | 22001 | | Lafayette, LA 29180 | Lafayette-New
Iberia-Opelousas, LA 318 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=AcadiaParish+LA |
| | Ascension Parish | LA | 22005 | | Baton Rouge, LA 12940 | Baton Rouge-Hammond, LA 132 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=AscensionParish+LA |
| | Avoyelles Parish | LA | 22009 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=AvoyellesParish+LA |