3,000 (1982 SIL).
Hidalgo state: Huehuetla; Puebla state: half of Mecapalapa town; Veracruz state: northwest.
None known. 70% intelligibility of Pisa Flores [tpp] (most similar).
SVO; long words, affixes; nontonal; whistle speech distinguishes consonants and vowels of the spoken language (Cowan 1952, Cowan 1972).
Latin script [Latn].