| Postal Code | Place Name | Region | Department | Arrondissement | Canton |
|---|---|---|---|---|---|
| 26000 | Valence | Auvergne-Rhône-Alpes | Drôme | Valence | Valence |
| 26100 | Romans-sur-Isère | Auvergne-Rhône-Alpes | Drôme | Valence | Romans-sur-Isère |
| 26120 | Chabeuil | Auvergne-Rhône-Alpes | Drôme | Valence | Crest |
| 26140 | Saint-Rambert-d'Albon | Auvergne-Rhône-Alpes | Drôme | Valence | Saint-Vallier |
| 26190 | Saint-Jean-en-Royans | Auvergne-Rhône-Alpes | Drôme | Valence | Vercors-Monts du Matin |
| 26210 | Épinouze | Auvergne-Rhône-Alpes | Drôme | Valence | Drôme des collines |
| 26240 | Saint-Vallier | Auvergne-Rhône-Alpes | Drôme | Valence | Saint-Vallier |
| 26250 | Livron-sur-Drôme | Auvergne-Rhône-Alpes | Drôme | Valence | Loriol-sur-Drôme |
| 26260 | Saint-Donat-sur-l'Herbasse | Auvergne-Rhône-Alpes | Drôme | Valence | Drôme des collines |
| 26300 | Bourg-de-Péage | Auvergne-Rhône-Alpes | Drôme | Valence | Vercors-Monts du Matin |
| 26320 | Saint-Marcel-lès-Valence | Auvergne-Rhône-Alpes | Drôme | Valence | Valence-1 |
| 26330 | Châteauneuf-de-Galaure | Auvergne-Rhône-Alpes | Drôme | Valence | Drôme des collines |
| 26350 | Montrigaud | Auvergne-Rhône-Alpes | Drôme | Valence | Drôme des collines |
| 26380 | Peyrins | Auvergne-Rhône-Alpes | Drôme | Valence | Romans-sur-Isère |
| 26390 | Hauterives | Auvergne-Rhône-Alpes | Drôme | Valence | Drôme des collines |
| 26500 | Bourg-lès-Valence | Auvergne-Rhône-Alpes | Drôme | Valence | Valence-1 |
| 26530 | Le Grand-Serre | Auvergne-Rhône-Alpes | Drôme | Valence | Drôme des collines |
| 26540 | Mours-Saint-Eusèbe | Auvergne-Rhône-Alpes | Drôme | Valence | Romans-sur-Isère |
| 26730 | Eymeux | Auvergne-Rhône-Alpes | Drôme | Valence | Vercors-Monts du Matin |
| 26750 | Saint-Paul-lès-Romans | Auvergne-Rhône-Alpes | Drôme | Valence | Romans-sur-Isère |
| 26760 | Beaumont-lès-Valence | Auvergne-Rhône-Alpes | Drôme | Valence | Valence-3 |
| 26800 | Portes-lès-Valence | Auvergne-Rhône-Alpes | Drôme | Valence | Loriol-sur-Drôme |