Zone District 1st 2 digits of 6-digit postal codes Location
City 1 01, 02, 03, 04, 05, 06 Boat Quay, Cecil, Havelock Road, Marina, People’s Park, Raffles Place, Suntec City
City 2 07, 08 Anson, Chinatown, Shenton Way, Tanjong Pagar
South 3 14,15, 16 Alexandra, Queenstown, Redhill, Tiong Bahru
South 4 09, 10 Harbourfront, Keppel, Sentosa, Telok Blangah
West 5 11, 12, 13 Bouna Vista, Clementi, Dover, Hong Leong Garden, Pasir Panjang, West Coast
City 6 17 Beach Road (partly), City Hall, High Street, North Bridge Road
City 7 18, 19 Beach Road, Bencoolen Road, Bugis, Golden Mile, Middle Road, Rochor
Central 8 20, 21 Farrer Park, Little India, Serangoon Road
Central 9 22, 23 Cairnhill, Killiney, Orchard, River Valley
Central 10 24, 25, 26, 27 Ardmore, Balmoral, Bukit Timah, Grange Road, Holland Road, Orchard Boulevard, Tanglin
Central 11 28, 29, 30 Chancery, Dunearn Road, Moulmein, Newton, Novena, Thomson, Watten Estate
Central 12 31, 32, 33 Balestier, Toa Payoh
East 13 34, 35, 36, 37 Braddell, Macpherson, Potong Pasir
East 14 38, 39, 40, 41 Eunos, Geylang, Kembangan, Paya Lebar , Sims
East 15 42, 43, 44, 45 Amber Road, East Coast, Joo Chiat, Katong, Marine Parade, Meyer, Tanjong Rhu
East 16 46, 47, 48 Bayshore, Bedok, Chai Chee, Eastwood, Kew Drive, Upper East Coast
East 17 49, 50, 81 Changi, Flora, Loyang
East 18 51, 52 Pasir Ris, Simei, Tampines
North 19 53, 54, 55, 82 Hougang, Ponggol, Sengkang, Serangoon Garden
North 20 56, 57 Ang Mo Kio, Bishan, Braddell, Thomson
West 21 58, 59 Clementi Park, Hume Avenue, Ulu Pandan, Upper Bukit Timah
West 22 60, 61, 62, 63, 64 Boon Lay, Jurong, Tuas
West 23 65, 66, 67, 68 Bukit Batok , Bukit Panjang, Choa Chu Kang, Dairy Farm, Hillview
West 24 69, 70, 71 Lim Chu Kang, Sungei Gedong, Tengah
North 25 72, 73 Admiralty Road, Kranji, Woodgrove, Woodlands
North 26 77, 78 Springleaf, Tagore, Upper Thomson
North 27 75, 76 Admiralty Drive, Sembawang, Yishun
North 28 79, 80 Seletar, Yio Chu Kang