According to my search, the general HDB hotline is 1800-225-5432 . This is a Branch Office environment Service Line that operates on weekdays from eight:00 AM to five:00 PM. On top of that, you will find other Make contact with numbers for certain providers: * HDB Principal Line: 6490-1111 (for https://hdbtowncouncilhotline210233322.bloguerosa.com/36055797/hdb-town-council-hotline-210-22