Contact Avantage service on +41 (0)58 211 21 31
Monday to Friday, 7:30 a.m. to 7:30 p.m.
Saturday, 9:00 a.m. to 4:00 p.m.
Sunday, 9:00 a.m. to 1:00 p.m.
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Contact Avantage Service by e-mail