Postcode areas 11XXX
- Postcode area 11000 Carcassonne
- Postcode area 11100 Narbonne
- Postcode area 11110 Coursan
- Postcode area 11120 Ginestas
- Postcode area 11130 Sigean
- Postcode area 11140 Axat
- Postcode area 11150 Bram
- Postcode area 11160 Caunes-Minervois
- Postcode area 11170 Alzonne
- Postcode area 11190 Couiza
- Postcode area 11200 Lézignan-Corbières
- Postcode area 11210 Port-la-Nouvelle
- Postcode area 11220 Lagrasse
- Postcode area 11230 Chalabre
- Postcode area 11240 Belvèze-du-Razès
- Postcode area 11250 Saint-Hilaire
- Postcode area 11260 Espéraza
- Postcode area 11270 Fanjeaux
- Postcode area 11290 Montréal
- Postcode area 11300 Limoux
- Postcode area 11310 Saissac
- Postcode area 11320 Labastide-d'Anjou
- Postcode area 11330 Mouthoumet
- Postcode area 11340 Belcaire
- Postcode area 11350 Tuchan
- Postcode area 11360 Durban-Corbières
- Postcode area 11370 Leucate
- Postcode area 11380 Mas-Cabardès
- Postcode area 11390 Cuxac-Cabardès
- Postcode area 11400 Castelnaudary
- Postcode area 11410 Salles-sur-l'Hers
- Postcode area 11420 Belpech
- Postcode area 11430 Gruissan
- Postcode area 11440 Peyriac-de-Mer
- Postcode area 11480 La Palme
- Postcode area 11490 Portel-des-Corbières
- Postcode area 11500 Quillan
- Postcode area 11510 Fitou
- Postcode area 11540 Roquefort-des-Corbières
- Postcode area 11560 Fleury d'Aude
- Postcode area 11570 Cazilhac
- Postcode area 11580 Alet-les-Bains
- Postcode area 11590 Cuxac-d'Aude
- Postcode area 11600 Conques-sur-Orbiel
- Postcode area 11610 Pennautier
- Postcode area 11620 Villemoustaussou
- Postcode area 11700 Capendu
- Postcode area 11800 Trèbes