Call this number +961-1-989751 or go to this location Serail Hill Area, Army Street,, Zokak el Blat, near the Grand Serail, P.O.Box 11-3360, Lebanon to get in contact with You can also apply for the Japanese e-Visa online following a quick and intuitive 3-step application process that requires no visits to the Embassy.
Visa to JapanJapan Electronic Travel Authorization