| Postal Code | Place Name | Region | Department | Arrondissement | Canton |
|---|---|---|---|---|---|
| 26110 | Nyons | Auvergne-Rhône-Alpes | Drôme | Nyons | Nyons et Baronnies |
| 26130 | Saint-Paul-Trois-Châteaux | Auvergne-Rhône-Alpes | Drôme | Nyons | Le Tricastin |
| 26160 | La Bégude-de-Mazenc | Auvergne-Rhône-Alpes | Drôme | Nyons | Dieulefit |
| 26170 | Buis-les-Baronnies | Auvergne-Rhône-Alpes | Drôme | Nyons | Nyons et Baronnies |
| 26200 | Montélimar | Auvergne-Rhône-Alpes | Drôme | Nyons | Montélimar |
| 26220 | Dieulefit | Auvergne-Rhône-Alpes | Drôme | Nyons | Dieulefit |
| 26230 | Grignan | Auvergne-Rhône-Alpes | Drôme | Nyons | Grignan |
| 26290 | Donzère | Auvergne-Rhône-Alpes | Drôme | Nyons | Grignan |
| 26450 | Cléon-d'Andran | Auvergne-Rhône-Alpes | Drôme | Nyons | Dieulefit |
| 26560 | Séderon | Auvergne-Rhône-Alpes | Drôme | Nyons | Nyons et Baronnies |
| 26570 | Montbrun-les-Bains | Auvergne-Rhône-Alpes | Drôme | Nyons | Nyons et Baronnies |
| 26700 | Pierrelatte | Auvergne-Rhône-Alpes | Drôme | Nyons | Le Tricastin |
| 26740 | Sauzet | Auvergne-Rhône-Alpes | Drôme | Nyons | Dieulefit |
| 26770 | Taulignan | Auvergne-Rhône-Alpes | Drôme | Nyons | Dieulefit |
| 26780 | Châteauneuf-du-Rhône | Auvergne-Rhône-Alpes | Drôme | Nyons | Montélimar-2 |
| 26790 | Suze-la-Rousse | Auvergne-Rhône-Alpes | Drôme | Nyons | Le Tricastin |