Postcode areas 61XXX
- Postcode area 61000 Alençon
- Postcode area 61100 Flers
- Postcode area 61110 Rémalard
- Postcode area 61120 Vimoutiers
- Postcode area 61130 Bellême
- Postcode area 61140 Bagnoles-de-l'Orne
- Postcode area 61150 Écouché
- Postcode area 61160 Trun
- Postcode area 61170 Le Mêle-sur-Sarthe
- Postcode area 61190 Tourouvre
- Postcode area 61200 Argentan
- Postcode area 61210 Putanges-Pont-Écrepin
- Postcode area 61220 Briouze
- Postcode area 61230 Gacé
- Postcode area 61240 Le Merlerault
- Postcode area 61250 Damigny
- Postcode area 61260 Le Theil
- Postcode area 61270 Aube
- Postcode area 61290 Longny-au-Perche
- Postcode area 61300 L'Aigle
- Postcode area 61310 Exmes
- Postcode area 61320 Carrouges
- Postcode area 61330 Ceaucé
- Postcode area 61340 Nocé
- Postcode area 61350 Passais-La-Conception
- Postcode area 61360 Pervenchères
- Postcode area 61370 Sainte-Gauburge-Sainte-Colombe
- Postcode area 61380 Moulins-la-Marche
- Postcode area 61390 Courtomer
- Postcode area 61400 Mortagne-au-Perche
- Postcode area 61410 Couterne
- Postcode area 61420 Saint-Denis-sur-Sarthon
- Postcode area 61430 Athis-de-l'Orne
- Postcode area 61440 Messei
- Postcode area 61450 La Ferrière-aux-Étangs
- Postcode area 61470 Le Sap
- Postcode area 61490 Saint-Clair-de-Halouze
- Postcode area 61500 Sées
- Postcode area 61550 La Ferté Frenel
- Postcode area 61560 Bazoches-sur-Hoëne
- Postcode area 61570 Mortrée
- Postcode area 61600 La Ferté Mace
- Postcode area 61700 Domfront
- Postcode area 61790 Saint-Pierre-du-Regard
- Postcode area 61800 Tinchebray