Around two-thirds of respondents (69%) disagreed with the statement that they do not know who to contact if they had a problem with council tax.
Roedd tua dau o bob tri ymatebydd (69%) yn anghytuno â'r gosodiad nad ydynt yn gwybod â phwy y dylent gysylltu pe bai ganddynt broblem gyda'r dreth gyngor.