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Home —→ Koon Seng Road —→ Blk 138 Koon Seng Road, Singapore 427067.
Blk 138 Koon Seng Road is a HDB block at the Singapore region of Joo Chiat.
Its block number is Blk 138, and it's in the street of Koon Seng Road of Singapore.
Its postal code is 427067.