| | Washington Parish | LA | 22117 | | Bogalusa, LA 14220 | New
Orleans-Metairie-Slidell,
LA-MS 406 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=WashingtonParish+LA |
| | Beauregard Parish | LA | 22011 | | DeRidder, LA 19760 | Lake Charles-DeRidder, LA 324 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=BeauregardParish+Louisiana |
| | Tangipahoa Parish | LA | 22105 | | Hammond, LA 25220 | Baton Rouge-Hammond, LA 132 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=TangipahoaParish+LA |
| | Lafourche Parish | LA | 22057 | | Houma-Bayou
Cane-Thibodaux, LA 26380 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=LafourcheParish+LA |
| | Terrebonne Parish | LA | 22109 | | Houma-Bayou
Cane-Thibodaux, LA 26380 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=TerrebonneParish+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 |
| | 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 |
| | St. Martin Parish | LA | 22099 | | Lafayette, LA 29180 | Lafayette-New
Iberia-Opelousas, LA 318 | Outlying | metro county (urban) | recreation | https://maps.google.com/?q=St.MartinParish+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 |
| | Calcasieu Parish | LA | 22019 | | Lake Charles, LA 29340 | Lake Charles-DeRidder, LA 324 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=CalcasieuParish+LA |