| | St. John the Baptist
Parish | LA | 22095 | | New Orleans-Metairie, LA 35380 | New
Orleans-Metairie-Slidell,
LA-MS 406 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=St.JohntheBaptistParish+LA |
| | St. Landry Parish | LA | 22097 | | Opelousas, LA 36660 | Lafayette-New
Iberia-Opelousas, LA 318 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=St.LandryParish+LA |
| | St. Mary Parish | LA | 22101 | | Morgan City, LA 34020 | | Central | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=St.MaryParish+LA |
| | St. Tammany Parish | LA | 22103 | | Slidell-Mandeville-Covington,
LA 43640 | New
Orleans-Metairie-Slidell,
LA-MS 406 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=St.TammanyParish+LA |
| | Tangipahoa Parish | LA | 22105 | | Hammond, LA 25220 | Baton Rouge-Hammond, LA 132 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=TangipahoaParish+LA |
| | Terrebonne Parish | LA | 22109 | | Houma-Bayou
Cane-Thibodaux, LA 26380 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=TerrebonneParish+LA |
| | 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 |
| | Webster Parish | LA | 22119 | | Minden, LA 33380 | Shreveport-Bossier
City-Minden, LA 508 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=WebsterParish+LA |
| | West Baton Rouge Parish | LA | 22121 | | Baton Rouge, LA 12940 | Baton Rouge-Hammond, LA 132 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=WestBatonRougeParish+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 |