for me:
North:
Woodlands Regional
Sembawang Rd End
Yishun
West:
Bt Panjang
Choa chu Kang
Bt Batok
Lim Chu Kang
Jurong East
Jurong at Jln Ahmad Ibrahim(before Boon Lay replaced it)
Boon Lay
Bouna Vista
Kent Ridge
Central-North:
Ang Mo Kio ( both old and new )
Toa Payoh ( old, temp, and new )
Bishan
Sin Ming
Yio chu Kang
S'goon.
St Michael's
Central - South
Bt Merah
Rumah Tinggi
New Bridge rd
Shenton Way
Marina centre
World Trade centre, now known as Harbourfront
East:
Geylang Lor 1
Eunos
Jln Kembangan
Sim Pl
Bedok
Pasir Ris
Tampines
Changi Village
Changi Airport PTB 1 / 2
Siglap Rd
North East
Upp Serangoon Rd End
Hougang South