| Postleitzahl | Ort / Stadtteil | Verwaltungsgebiet | Koordinaten |
|---|---|---|---|
| 1st Arrondissement | 1st Arrondissement District · Littoral | 6.3662, 2.47551 | |
| 1st Arrondissement North | 1st Arrondissement District · Littoral | 6.3742, 2.48351 | |
| 2nd Arrondissement | 2nd Arrondissement District · Littoral | 6.3871, 2.45946 | |
| 2nd Arrondissement North | 2nd Arrondissement District · Littoral | 6.3951, 2.46746 | |
| 3rd Arrondissement | 3rd Arrondissement District · Littoral | 6.39026, 2.4417 | |
| 3rd Arrondissement North | 3rd Arrondissement District · Littoral | 6.39826, 2.4497 | |
| Abokicodji | 6th Arrondissement District · Littoral | 6.35912, 2.44497 | |
| 6th Arrondissement | 6th Arrondissement District · Littoral | 6.38359, 2.43897 | |
| Cadjèhoun | 7th Arrondissement District · Littoral | 6.35, 2.4 | |
| Dandji | 7th Arrondissement District · Littoral | 6.37034, 2.39086 | |
| Alohovè | 8th Arrondissement District · Littoral | 6.33333, 2.23333 | |
| 8th Arrondissement | 8th Arrondissement District · Littoral | 6.39135, 2.39667 | |
| Segbeya | Cotonou · Littoral | 6.37806, 2.44306 | |
| Zogbo | Cotonou · Littoral | 6.39213, 2.38281 |
Der PLZ-Leitbereich 18 in Benin umfasst 14 Orte (Littoral, darunter 1st Arrondissement) im Bereich von 18000 bis 18601.
Es gibt 14 aktive Postleitzahlen mit dem Präfix 18 in Benin.