1,000 (1982 SIL).
Luzon, Quezon Province coastal areas, east Nueva Ecija, Sierra Madre, and San Miguel town; Bulacan Province, a large community in remote San Miguel. North of the Umiray Dumaget [due] language area.
Not similar to other languages. Lexical similarity: 34% with Northern Alta [aqn].
Also use Filipino [fil].