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Home —→ Upper Paya Lebar Road —→ Blk 321 Upper Paya Lebar Road, Singapore 534944.
Blk 321 Upper Paya Lebar Road is a HDB block at the Singapore region of Upper Serangoon.
Its block number is Blk 321, and it's in the street of Upper Paya Lebar Road of Singapore.
Its postal code is 534944.