| Postal Sector (First 2 digits of 6-digit postal code) |
Postal District | General Location |
|---|---|---|
| 01 / 02 / 03 / 04 / 05 / 06 | D01 | Boat Quay / Raffles Place / Marina / Cecil / People's Park |
| 07 / 08 | D02 | Chinatown / Tanjong Pagar / Anson |
| 14 / 15 / 16 | D03 | Alexandra / Commonwealth / Queenstown / Tiong Bahru |
| 09 / 10 | D04 | Harbourfront / Telok Blangah |
| 11 / 12 / 13 | D05 | Buona Vista / West Coast / Pasir Panjang / Hong Leong Garden / Clementi New Town |
| 17 | D06 | City Hall / Clarke Quay / High Street |
| 18 / 19 | D07 | Beach Road / Bugis / Rochor / Middle Road / Golden Mile |
| 20 / 21 | D08 | Farrer Park / Serangoon Road / Little India |
| 22 / 23 | D09 | Orchard / Cairnhill / River Valley |
| 24 / 25 / 26 / 27 | D10 | Tanglin / Ardmore / Holland / Bukit Timah |
| 28 / 29 / 30 | D11 | Newton / Novena / Watten Estate / Thomson |
| 31 / 32 / 33 | D12 | Balestier / Toa Payoh / Serangoon |
| 34 / 35 / 36 / 37 | D13 | Macpherson / Potong Pasir / Braddell |
| 38 / 39 / 40 / 41 | D14 | Kembangan / Eunos / Paya Lebar / Geylang |
| 42 / 43 / 44 / 45 | D15 | East Coast / Marine Parade / Katong / Joo Chiat / Amber Road |
| 46 / 47 / 48 | D16 | Bedok / Upper East Coast / Eastwood / Kew Drive |
| 49 / 50 / 81 | D17 | Changi Airport / Changi Village / Loyang |
| 51 / 52 | D18 | Pasir Ris / Tampines |
| 53 / 54 / 55 / 82 | D19 | Serangoon Gardens / Hougang / Punggol / Sengkang |
| 56 / 57 | D20 | Ang Mo Kio / Bishan / Thomson |
| 58 / 59 | D21 | Clementi Park / Upper Bukit Timah / Ulu Pandan |
| 60 / 61 / 62 / 63 / 64 | D22 | Boon Lay / Jurong / Tuas |
| 65 / 66 / 67 / 68 | D23 | Hillview / Dairy Farm / Bukit Panjang / Choa Chu Kang |
| 69 / 70 / 71 | D24 | Lim Chu Kang / Tengah |
| 72 / 73 | D25 | Admiralty / Woodlands / Kranji / Woodgrove |
| 77 / 78 | D26 | Mandai / Upper Thomson / Springleaf |
| 75 / 76 | D27 | Yishun / Sembawang |
| 79 / 80 | D28 | Seletar / Yio Chu Kang |
