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Home —→ Koon Seng Road —→ Blk 77 Koon Seng Road, Singapore 427020.
Blk 77 Koon Seng Road is a HDB block at the Singapore region of Joo Chiat.
Its block number is Blk 77, and it's in the street of Koon Seng Road of Singapore.
Its postal code is 427020.