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Home —→ Koon Seng Road —→ Blk 123 Koon Seng Road, Singapore 427056.
Blk 123 Koon Seng Road is a HDB block at the Singapore region of Joo Chiat.
Its block number is Blk 123, and it's in the street of Koon Seng Road of Singapore.
Its postal code is 427056.