(A) 1976 dated plate in Guayas only.
(B) About 2005: A light blue crest with the legend COMISION DE TRANSITO DE LA PROVINCIA DEL GUAYAS was added to the top left side of plates in Guayas only.
Guayas province issued plates with different colors from other departments through 1976.
National Language Spanish. The other main language is Quechua.