| | Rapides Parish | LA | 22079 | | Alexandria, LA 10780 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=RapidesParish+LA |
| | St. Bernard Parish | LA | 22087 | | New Orleans-Metairie, LA 35380 | New
Orleans-Metairie-Slidell,
LA-MS 406 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=St.BernardParish+LA |
| | St. Charles Parish | LA | 22089 | | New Orleans-Metairie, LA 35380 | New
Orleans-Metairie-Slidell,
LA-MS 406 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=St.CharlesParish+LA |
| | St. Helena Parish | LA | 22091 | | Baton Rouge, LA 12940 | Baton Rouge-Hammond, LA 132 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=St.HelenaParish+LA |
| | St. James Parish | LA | 22093 | | New Orleans-Metairie, LA 35380 | New
Orleans-Metairie-Slidell,
LA-MS 406 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=St.JamesParish+LA |
| | 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. 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 |
| | 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 |