Based upon my look for, the general HDB hotline is 1800-225-5432 . It's a Branch Business office Company Line that operates on weekdays from eight:00 AM to five:00 PM. On top of that, there are other Get in touch with numbers for particular solutions: * HDB Principal Line: 6490-1111 (for https://hdbtowncouncilhotline210235555.thezenweb.com/hdb-town-council-hotline-210-22-75368049