You can use the telephone information service
012@xunta.gal
From the 4th of June to the 25th of September
981953559
informacion-ascatedrais@xunta.gal
The schedule is from 08:00 hours to 15:30 hours (except between September 15 and 25 where the hours will be from 9:30 a.m. to 1:00 p.m.)