| Postal District | Postal Sector(First 2 digits of postal codes) | General Location |
|---|---|---|
| 01 | 01, 02, 03, 04, 05, 06 | Raffles Place, Cecil, Marina, People’s Park |
| 02 | 07, 08 | Anson, Tanjong Pagar |
| 03 | 14, 15, 16 | Queenstown, Tiong Bahru |
| 04 | 09, 10 | Telok Blangah, Harbourfront |
| 05 | 11, 12, 13 | Pasir Panjang, Hong Leong Garden, Clementi New Town |
| 06 | 17 | High Street, Beach Road (part) |
| 07 | 15, 16 | Telok Blangah, Harbourfront |
| 08 | 17 | Upper Bukit Timah, Clementi Park, Ulu Pandan |
| 09 | 18 | Jurong, Tuas |
| 10 | 19, 20, 21 | Choa Chu Kang, Bukit Panjang, Lim Chu Kang |
| 11 | 01, 02, 03 | Novena, Newton, Thomson |
| 12 | 04, 05, 06 | Balestier, Toa Payoh, Serangoon |
| 13 | 07, 08, 09 | MacPherson, Braddell, Potong Pasir |
| 14 | 10, 11, 12, 13 | Eunos, Geylang, Paya Lebar, Aljunied |
| 15 | 14, 15 | Pasir Ris, Tampines |
| 16 | 16, 17 | Simei, Upper East Coast |
| 17 | 18, 19, 20 | Bedok, Changi, Loyang |
| 18 | 24, 25, 26, 27, 28 | Tampines, Pasir Ris, Simei, Tampines |
| 19 | 29, 30 | Serangoon, Hougang, Punggol |
| 20 | 31, 32, 33, 34, 35, 53 | Ang Mo Kio, Bishan, Thomson, Upper Thomson |
| 21 | 36, 37, 38, 39, 40, 41, 42, 43 | Clementi, West Coast, Pasir Panjang, Hong Leong Garden, Tiong Bahru |
| 22 | 44, 45, 46 | Bukit Timah, Holland, Balmoral |
| 23 | 47, 48, 49 | Novena, Thomson, Newton, Watten Estate |
| 24 | 50, 51, 52 | Bukit Merah, Queenstown, Tiong Bahru |
| 25 | 27, 28 | Bishan, Toa Payoh, Serangoon |
| 26 | 20, 21 | Bukit Timah, Holland, Queenstown, Tiong Bahru |
| 27 | 22, 23 | Novena, Thomson, Balestier |
| 28 | 24, 25 | Newton, Bounded by Novena, Bukit Timah, River Valley and Orchard Road |
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General Location:
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