Postcode areas 55XXX
- Postcode area 55000 Bar-le-Duc
- Postcode area 55100 Verdun
- Postcode area 55110 Dun-sur-Meuse
- Postcode area 55120 Clermont-en-Argonne
- Postcode area 55130 Gondrecourt-le-Château
- Postcode area 55140 Vaucouleurs
- Postcode area 55150 Damvillers
- Postcode area 55160 Fresnes-en-Woëvre
- Postcode area 55170 Ancerville
- Postcode area 55190 Void-Vacon
- Postcode area 55200 Commercy
- Postcode area 55210 Vigneulles-lès-Hattonchâtel
- Postcode area 55220 Souilly
- Postcode area 55230 Spincourt
- Postcode area 55240 Bouligny
- Postcode area 55250 Seuil-d'Argonne
- Postcode area 55260 Pierrefitte-sur-Aire
- Postcode area 55270 Varennes-en-Argonne
- Postcode area 55290 Montiers-sur-Saulx
- Postcode area 55300 Saint-Mihiel
- Postcode area 55310 Tronville-en-Barrois
- Postcode area 55320 Dieue-sur-Meuse
- Postcode area 55400 Étain
- Postcode area 55430 Belleville-sur-Meuse
- Postcode area 55500 Ligny-en-Barrois
- Postcode area 55600 Montmédy
- Postcode area 55700 Stenay
- Postcode area 55800 Revigny-sur-Ornain
- Postcode area 55840 Thierville-sur-Meuse