HDB contact number is designed to assist with questions related to flats, applications, and estate matters. You can call the HDB Hotline at 1800-225-5432 (1800-CALL-HDB) during office hours on weekdays. The hotline handles a variety of topics including booking appointments, paying bills, reporting estate issues, and checking eligibility for schemes. https://hdbhotline124983714.develop-blog.com/43901986/hdb-hotline-12-49