| | 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 |