SINGAPORE SMS: Products and Compliance


Dialing code 65
Major Carriers SingTel, M1, StarHub, TPG Telecom
Number portability Yes
Message length 160 characters.
Support for Concatenated message Yes
Sender ID Supported Alpha, Alphanumeric, Long Code, Short Code 
Sender ID Registration Required (Long Code and Short Code)
Registration Time 2 Weeks (Both Short Code and Long Code)
Support for Two Way SMS Yes
Extra Information
  • Unicode is supported 
  • Short code Sender ID is changed with a space being added between the last two numbers of Short code, e.g. "35694" becomes "3569 4".           

Prohibited Content:

The following types of messaging on all SMS messaging products are all prohibited:
- Advertising or promoting money-lending services


Industry Reference:
Advisory Guidelines on the Do Not Call Provisions (PDPC)

Telecommunications Act (Chap 323)


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