HDB customer service hotline is the main point of contact for residents and the public to reach the Housing & Development Board (HDB) in Singapore. The hotline number is 1800-225-5432, available Monday to Friday from 8:00 am to 5:30 pm. Common requests include information on buying a new flat, applying https://claytonundsh.thekatyblog.com/35083076/hdb-hotline-12-49