Sonora, old series (2002 - 2004), UP = block for trucks, SON = Sonora, 26 = state code for Sonora

Oaxaca, old series (1954 - 1985), 1984/85 issue, OAX = Oaxaca

Baja California Norte, old series (1954 - 1985), 1974/75 issue, FRONT B C = Baja California, frontier zone plate

Distrito Federal (Mexico City), old series (1954 - 1985), 1966/67 issue, DF = Distrito Federal