| Locality | Postal Code |
|---|---|
| Belair, Plaquemines | 70040 |
| Belle Chasse, Plaquemines | 70037 |
| Bohemia, Plaquemines | 70082 |
| Boothville, Plaquemines | 70038 |
| Braithwaite, Plaquemines | 70040 |
| Buras, Plaquemines | 70041 |
| Burrwood, Plaquemines | 70091 |
| Carlisle, Plaquemines | 70040 |
| Davant, Plaquemines | 70082, 70040 |
| Empire, Plaquemines | 70050 |
| Home Place, Plaquemines | 70083 |
| Ironton, Plaquemines | 70083 |
| Myrtle Grove, Plaquemines | 70083 |
| Ostrica, Plaquemines | 70041 |
| Pilottown, Plaquemines | 70041 |
| Pointe A La Hache, Plaquemines | 70082 |
| Port Eads, Plaquemines | 70091 |
| Port Sulphur, Plaquemines | 70083 |
| Potash, Plaquemines | 70083 |
| South Pass, Plaquemines | 70091 |
| Triumph, Plaquemines | 70041 |
| Venice, Plaquemines | 70091 |
| West Pointe A La Hache, Plaquemines | 70083 |