Postcode areas 41XXX
- Postcode area 41000 Blois
- Postcode area 41100 Vendôme
- Postcode area 41110 Saint-Aignan
- Postcode area 41120 Les Montils
- Postcode area 41130 Selles-sur-Cher
- Postcode area 41140 Noyers-sur-Cher
- Postcode area 41150 Onzain
- Postcode area 41160 Morée
- Postcode area 41170 Mondoubleau
- Postcode area 41190 Herbault
- Postcode area 41200 Romorantin-Lanthenay
- Postcode area 41210 Neung-sur-Beuvron
- Postcode area 41220 La Ferté Saint-Cyr
- Postcode area 41230 Mur-de-Sologne
- Postcode area 41240 Ouzouer-le-Marché
- Postcode area 41250 Bracieux
- Postcode area 41260 La Chaussée Saint-Victor
- Postcode area 41270 Droué
- Postcode area 41290 Oucques
- Postcode area 41300 Salbris
- Postcode area 41310 Saint-Amand-Longpré
- Postcode area 41320 Mennetou-sur-Cher
- Postcode area 41330 Fossé
- Postcode area 41350 Vineuil
- Postcode area 41360 Savigny-sur-Braye
- Postcode area 41370 Marchenoir
- Postcode area 41400 Montrichard
- Postcode area 41500 Mer
- Postcode area 41600 Lamotte-Beuvron
- Postcode area 41700 Contres
- Postcode area 41800 Montoire-sur-le-Loir