| Postleitzahl | Ort / Stadtteil | Verwaltungsgebiet | Koordinaten |
|---|---|---|---|
| Adjaouèrè | Adjaouere Department · Plateau Department | 7.00228, 2.60591 | |
| Okieta | Adjaouere Department · Plateau Department | 6.95, 2.7 | |
| Koulotcho | Adjaouere Department · Plateau Department | 7.03333, 2.58333 | |
| Issalé | Adjaouere Department · Plateau Department | 6.93333, 2.7 | |
| Houelli-Gaba | Adjaouere Department · Plateau Department | 7.06667, 2.58333 | |
| Glaouété | Adjaouere Department · Plateau Department | 7.0, 2.58333 | |
| Auduntini | Adjaouere Department · Plateau Department | 6.96667, 2.71667 | |
| Kétou | Commune of Ketou · Plateau Department | 7.36332, 2.59978 | |
| Okpomèta | Commune of Ketou · Plateau Department | 7.39311, 2.65386 | |
| Oké-Odo | Commune of Ketou · Plateau Department | 7.43356, 2.73932 | |
| Ofia | Commune of Ketou · Plateau Department | 7.35962, 2.63907 | |
| Issélou | Commune of Ketou · Plateau Department | 7.47495, 2.71866 | |
| Irocogny | Commune of Ketou · Plateau Department | 7.40975, 2.67787 | |
| Illikimou | Commune of Ketou · Plateau Department | 7.45, 2.75 | |
| Illara | Commune of Ketou · Plateau Department | 7.41652, 2.73894 | |
| Pobé | Commune of Pobe · Plateau Department | 6.98008, 2.6649 | |
| Osubi | Commune of Pobe · Plateau Department | 7.13465, 2.76735 | |
| Ouignan | Commune of Pobe · Plateau Department | 7.07423, 2.62915 | |
| Odo Méta | Commune of Pobe · Plateau Department | 7.21539, 2.63798 | |
| Massé | Commune of Pobe · Plateau Department | 7.16411, 2.53656 | |
| Itchaba | Commune of Pobe · Plateau Department | 7.14213, 2.63813 | |
| Issaba | Commune of Pobe · Plateau Department | 7.08849, 2.62201 | |
| Illémon | Commune of Pobe · Plateau Department | 7.07417, 2.73468 | |
| Sakété | Commune of Sakete · Plateau Department | 6.73618, 2.65866 | |
| Yoko | Commune of Sakete · Plateau Department | 6.70796, 2.61038 | |
| Takon | Commune of Sakete · Plateau Department | 6.64985, 2.62174 | |
| Illaco | Commune of Sakete · Plateau Department | 6.78333, 2.66667 | |
| Corossa | Commune of Sakete · Plateau Department | 6.76667, 2.61667 | |
| Cobédjo | Commune of Sakete · Plateau Department | 6.89691, 2.73654 | |
| Sakété II | Commune of Sakete · Plateau Department | 6.73521, 2.65182 | |
| Banigbé | Ifangni · Plateau Department | 6.64756, 2.70695 | |
| Zignan | Ifangni · Plateau Department | 6.68876, 2.67826 | |
| Tchian | Ifangni · Plateau Department | 6.65, 2.63333 | |
| Misségbo | Ifangni · Plateau Department | 6.61667, 2.68333 | |
| Méridjonou | Ifangni · Plateau Department | 6.50241, 2.71568 | |
| Lagbé | Ifangni · Plateau Department | 6.67736, 2.69138 | |
| Kouti | Ifangni · Plateau Department | 6.61336, 2.64954 | |
| Kotan | Ifangni · Plateau Department | 6.56667, 2.7 |
Der PLZ-Leitbereich 20 in Benin umfasst 38 Orte (Plateau Department, darunter Adjaouèrè) im Bereich von 20000 bis 20407.
Es gibt 38 aktive Postleitzahlen mit dem Präfix 20 in Benin.