Singapore Districts and their Origins
Singapore is divided into 28 districts according to the old postal code system. Although this system is no longer in use, property agents still use these numbers when referring to the location of properties. District 1 was designated as such because the first general post office was located there.
In the 1950s, Singapore used a two-digit postal code system which was the districts. This system was changed in 1979 to have four-digit postal codes, which included the district number followed by sector numbers.
There are a total of 81 sectors. However, as the number of buildings grew, the postal system too had to adapt to accommodate this increase, so in 1995, the system was changed again, this time to the system that we use today, with six-digit postal codes.
The six-digit postal code system affords each building its own unique number with the first two numbers being the sector numbers used in the four-digit postal code system.
Singapore is also divided into three regions: the Core Central Region (CCR), Rest of Central Region (RCR), and Outside Central Region (OCR). The CCR is made up of districts 1, 2, 6, 9, 10, 11; the RCR consists of districts 3, 4, 5, 7, 8, 12, 13, 14, 15, 20; the OCR is made up of the other districts which are 16, 17, 18,19, 21, 22, 23, 24, 25, 26, 27, 28.
District
| 1 | Raffles Place, Marina, Cecil, People’s Park | Space | 15 | Joo Chiat, Amber Road, Katong |
| 2 | Anson, Tanjong Pagar | 16 | Bedok, Upper East Coast, Eastwood, Kew Drive | |
| 3 | Tiong Bahru, Queenstown | 17 | Changi, Loyang | |
| 4 | Telok Blangah, Harbourfront | 18 | Tampines, Pasir Ris | |
| 5 | Pasir Panjang, Hong Leong Garden, Clementi New Town | 19 | Punggol, Hougang, Serangoon Gardens | |
| 6 | High Street, Beach Road | 20 | Ang Mo Kio, Bishan | |
| 7 | Middle Road, Golden Mile | 21 | Upper Bukit Timah, Ulu Pandan, Clementi Park | |
| 8 | Little India | 22 | Jurong | |
| 9 | Orchard, Cairnhill, River Valley | 23 | Choa Chu Kang, Dairy Farm, Hillview, Bukit Panjang | |
| 10 | Ardmore, Bukit Timah, Holland Road, Tanglin | 24 | Lim Chu Kang, Tengah | |
| 11 | Watten Estate, Novena, Thomson | 25 | Kranji, Woodgrove | |
| 12 | Toa Payoh, Serangoon, Balestier | 26 | Upper Thomson, Springleaf | |
| 13 | Macpherson, Bradell | 27 | Sembawang, Yishun | |
| 140 | Geylang, Eunos | 280 | Seletar |
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