21 = Côte d'Or (Dijon), Bourgogne, 2000

22 = Côtes d'Armor (Saint Brieux), Bretagne, 2000

24 = Dordogne (Périgueux), Aquitaine, 1999

25 = Doubs (Besançon), Franche-Comté, 1991

26 = Drôme (Valence), Rhône-Alpes, 2005 (XB), 2006 (XE)

27 = Eure (Évreux), Haute-Normandie, 1996

28 = Eure-et-Loire (Chartres), Centre - Val de Loire, 2001

29 = Finistère (Quimper), Bretagne, 2005

30 = Gard (Nîmes), Languedoc - Rousillon, 1999

31 = Haute-Garonne (Toulouse), Midi-Pyrénées, 1998

33 = Gironde (Bordeaux), Aquitaine, 2001 (QE), 2005 (SK)

34 = Hérault (Montpellier), Languedoc - Rousillon, 1976

35 = Ille-et-Vilaine (Rennes), Bretagne, 2002

36 = Indre (Châteauroux), Centre - Val de Loire, 1953, original series with up to three numerals and single serial letter

37 = Indre-et-Loire (Tours), Centre - Val de Loire, 1990

38 = Isère (Grenoble), Rhône-Alpes, 1987 (YW), 2005 (CKZ)

39 = Jura (Lons-le-Saunier), Franche-Comté, 2003

40 = Landes (Mont-de-Marsan), Aquitaine, 2001