Postcode areas 44XXX
- Postcode area 44000 Nantes
- Postcode area 44100 Nantes
- Postcode area 44110 Châteaubriant
- Postcode area 44115 Basse-Goulaine
- Postcode area 44116 Vieillevigne
- Postcode area 44117 Saint-André-des-Eaux
- Postcode area 44118 La Chevrolière
- Postcode area 44119 Treillières
- Postcode area 44120 Vertou
- Postcode area 44130 Blain
- Postcode area 44140 Montbert
- Postcode area 44150 Ancenis
- Postcode area 44160 Pontchâteau
- Postcode area 44170 Nozay
- Postcode area 44190 Clisson
- Postcode area 44200 Nantes
- Postcode area 44210 Pornic
- Postcode area 44220 Couëron
- Postcode area 44230 Saint-Sébastien-sur-Loire
- Postcode area 44240 La Chapelle-sur-Erdre
- Postcode area 44250 Saint-Brevin-les-Pins
- Postcode area 44260 Savenay
- Postcode area 44270 Machecoul
- Postcode area 44290 Guémené-Penfao
- Postcode area 44300 Nantes
- Postcode area 44310 Saint-Philbert-de-Grand-Lieu
- Postcode area 44320 Saint-Père-en-Retz
- Postcode area 44330 Vallet
- Postcode area 44340 Bouguenais
- Postcode area 44350 Guérande
- Postcode area 44360 Saint-Étienne-de-Montluc
- Postcode area 44370 Varades
- Postcode area 44380 Pornichet
- Postcode area 44390 Nort-sur-Erdre
- Postcode area 44400 Rezé
- Postcode area 44410 Herbignac
- Postcode area 44420 La Turballe
- Postcode area 44430 Le Loroux Bottereau
- Postcode area 44440 Riaillé
- Postcode area 44450 Saint-Julien-de-Concelles
- Postcode area 44460 Saint-Nicolas-de-Redon
- Postcode area 44470 Carquefou
- Postcode area 44480 Donges
- Postcode area 44490 Le Croisic
- Postcode area 44500 La Baule-Escoublac
- Postcode area 44510 Le Pouliguen
- Postcode area 44520 Moisdon-la-Rivière
- Postcode area 44521 Oudon
- Postcode area 44522 Mésanger
- Postcode area 44530 Saint-Gildas-des-Bois
- Postcode area 44540 Saint-Mars-la-Jaille
- Postcode area 44550 Montoir-de-Bretagne
- Postcode area 44560 Paimboeuf
- Postcode area 44570 Trignac
- Postcode area 44580 Bourgneuf-en-Retz
- Postcode area 44590 Derval
- Postcode area 44600 Saint-Nazaire
- Postcode area 44610 Indre
- Postcode area 44620 La Montagne
- Postcode area 44630 Plessé
- Postcode area 44640 Le Pellerin
- Postcode area 44650 Legé
- Postcode area 44660 Rougé
- Postcode area 44670 Saint-Julien-de-Vouvantes
- Postcode area 44680 Sainte-Pazanne
- Postcode area 44690 La Haie-Fouassièr
- Postcode area 44700 Orvault
- Postcode area 44710 Port-Saint-Père
- Postcode area 44720 Saint-Joachim
- Postcode area 44730 Saint-Michel-Chef-Chef
- Postcode area 44740 Batz-sur-Mer
- Postcode area 44750 Campbon
- Postcode area 44760 La Bernerie-en-Retz
- Postcode area 44770 La Plaine-sur-Mer
- Postcode area 44780 Missillac
- Postcode area 44800 Saint-Herblain
- Postcode area 44810 Héric
- Postcode area 44830 Bouaye
- Postcode area 44840 Les Sorinières
- Postcode area 44850 Ligné
- Postcode area 44860 Pont-Saint-Martin
- Postcode area 44880 Sautron
- Postcode area 44980 Sainte-Luce-sur-Loire