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Home —→ Pasir Ris Drive 1 —→ Blk 639 Pasir Ris Drive 1, Singapore 510639.
Blk 639 Pasir Ris Drive 1 is a HDB block at the Singapore region of Pasir Ris.
Its block number is Blk 639, and it's in the street of Pasir Ris Drive 1 of Singapore.
Its postal code is 510639.