Postal codes in Singapore

Postal codes in Singapore have consisted of six digits since 1995, replacing the four-digit system introduced in 1979. They are administered by Singapore Post.

6-digit postal code

The 6-digit postal code is made up of the sector code and the delivery point. The sector is represented by the first two numbers of the postal code. The remaining four numbers define the delivery point within the sector. e.g.

53 Ang Mo Kio Avenue 3
Singapore 569933

56 is the sector code; 9933 is the delivery point, i.e. house or building.

For Housing and Development Board (HDB) residential blocks, the block number is included in the postal code. e.g.

Blk 145 Lorong 2 Toa Payoh
Singapore 310145

HDB residential blocks with the same number in the same postal sector are differentiated by their postal codes as follows:

Blk 147 Simei Street 2
Singapore 520147

Blk 147 Tampines Avenue 5
Singapore 521147

Similarly, for a HDB residential block sharing the same number as another block in the same postal sector, but have an added prefix behind are differentiated by their postal codes as follows:

Blk 150 Bishan Street 11
Singapore 570150

Blk 150A Bishan Street 11
Singapore 571150

The postal codes for private residential, commercial and industrial houses and buildings are assigned based on the alphabetical sequence of the street names in each sector. This means that the codes for a particular postal sector have been assigned first to houses and buildings located along street names beginning with 'A', followed by 'B' and so on. The postal codes for such properties do not contain the corresponding house or building numbers included in the postal code. HDB industrial and commercial blocks also use this system.[1]

Postal districts

This table lists the postal districts:[2]

Postal district Postal sector
(1st 2 digits of 6-digit 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 Bukit Merah, 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 18, 19 Middle Road, Golden Mile
08 20, 21 Little India, Farrer Park, Jalan Besar, Lavender
09 22, 23 Orchard, Cairnhill, River Valley
10 24, 25, 26, 27 Ardmore, Bukit Timah, Holland Road, Tanglin
11 28, 29, 30 Watten Estate, Novena, Thomson
12 31, 32, 33 Balestier, Toa Payoh, Serangoon
13 34, 35, 36, 37 Macpherson, Braddell
14 38, 39, 40, 41 Geylang, Eunos, Aljunied
15 42, 43, 44, 45 Katong, Joo Chiat, Amber Road
16 46, 47, 48 Bedok, Upper East Coast, Eastwood, Kew Drive
17 49, 50, 81 Loyang, Changi
18 51, 52 Simei, Tampines, Pasir Ris
19 53, 54, 55, 82 Serangoon Garden, Hougang, Punggol
20 56, 57 Bishan, Ang Mo Kio
21 58, 59 Upper Bukit Timah, Clementi Park, Ulu Pandan
22 60, 61, 62, 63, 64 Penjuru, Jurong, Pioneer, Tuas
23 65, 66, 67, 68 Hillview, Dairy Farm, Bukit Panjang, Choa Chu Kang
24 69, 70, 71 Lim Chu Kang, Tengah
25 72, 73 Kranji, Woodgrove, Woodlands
26 77, 78 Upper Thomson, Springleaf
27 75, 76 Yishun, Sembawang, Senoko
28 79, 80 Seletar

History

Singapore was originally divided into 28 postal districts on 6 March 1950, with a number being allocated to each district. For example, the Orchard Road area was in District 9.[3]

277 Orchard Road
Singapore 9

This was superseded by a new four-digit system on 1 July 1979, with the last two digits representing a sector in each district. There were in total 81 sectors.[4]

277 Orchard Road
Singapore 0923

On 1 September 1995, this was replaced by a six-digit system, in which every building was given its unique postcode, the first two digits of which represented the old sector, i.e. 23.[5][6]

277 Orchard Road
Singapore 238858

Although the old districts are no longer used by Singapore Post, they are still widely used to refer to locations of properties for sale or rent.[7][8]

Addressing from overseas

SingPost recommends the following format for addresses:[9] [10]

Example Format
Ms. Tan Bee Soo
16 Sandilands Road
Singapore 546080
SINGAPORE		 name of addressee
street number and name
name of town + postcode
 
Mr. M. Rajendran
Blk 35 Mandalay Road
# 13–37 Mandalay Towers
Singapore 308215
SINGAPORE		 name of addressee
block number and street name
floor – apartment number + building name
name of town + postcode
 

Generally, the last line SINGAPORE is omitted when posting within the country.

References
  1. Archive of Old SingPost Website in the Way Back Machine
  2. Urban Redevelopment Authority, Singapore
  3. "New Postal Scheme For Singapore". The Straits Times (retrieved from NLB). 1 March 1950. Retrieved 8 October 2019.
  4. "New post code to subdivide districts". The Straits Times (retrieved from NLB). 26 April 1979. Retrieved 8 October 2019.
  5. "Six-digit postal code system". NLB. Retrieved 8 October 2019.
  6. "Six-digit postal codes will apply to all areas from Sept 1". The Straits Times (retrieved from NLB). 19 August 1995. Retrieved 8 October 2019.
  7. "Singapore's Heritage, Museums & Nostalgia Blog - Singapore's Postal Code". Archived from the original on June 17, 2006. Retrieved 6 October 2008.
  8. "SingPost Clinched World Mail Award" (PDF) (Press release). Singapore Post. 28 May 2007. Archived from the original (PDF) on 29 December 2009.
  9. Universal Postal Union: Singapore Guide
  10. "SingPost Mail Quality Guide" (PDF). pp. 18–19. Retrieved 26 February 2020.
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