Postcode areas 05XXX
- Postcode area 05000 Gap
- Postcode area 05100 Briançon
- Postcode area 05110 La Saulce
- Postcode area 05120 L'Argentière-la-Bessée
- Postcode area 05130 Tallard
- Postcode area 05140 Aspres-sur-Buëch
- Postcode area 05150 Rosans
- Postcode area 05160 Savines-le-Lac
- Postcode area 05170 Orcières
- Postcode area 05190 Espinasses
- Postcode area 05200 Embrun
- Postcode area 05220 Le Monêtier-les-Bains
- Postcode area 05230 Chorges
- Postcode area 05240 La Salle-les-Alpes
- Postcode area 05250 Saint-Étienne-en-Dévoluy
- Postcode area 05260 Chabottes
- Postcode area 05290 Vallouise
- Postcode area 05300 Laragne-Montéglin
- Postcode area 05310 La Roche-de-Rame
- Postcode area 05320 La Grave
- Postcode area 05330 Saint-Chaffrey
- Postcode area 05340 Pelvoux
- Postcode area 05350 Château-Ville-Vieille
- Postcode area 05380 Châteauroux-les-Alpes
- Postcode area 05400 Veynes
- Postcode area 05460 Abriès
- Postcode area 05470 Aiguilles
- Postcode area 05480 Villar-d'Arêne
- Postcode area 05500 Saint-Bonnet-en-Champsaur
- Postcode area 05560 Vars
- Postcode area 05600 Guillestre
- Postcode area 05700 Serres
- Postcode area 05800 Saint-Firmin en Valgaudemar