Singapore Government Online Homepage
FAQs on New Mobile Phone Numbers with Prefix '8'
  1. When will mobile numbers starting with '8' be introduced?

  2. Why was the digit '8' chosen for the mobile numbers?

  3. What will happen to the existing mobile numbers starting with '9'?

  4. Why is IDA introducing mobile numbers starting with '8' after adding a '6' to fixed line numbers in 2002? Aren't all these changes confusing for the users?

  5. How is it possible that 10 million mobile numbers starting with '9' can be used up since there are only 3.4 million mobile subscribers?

  6. Will there be other ranges of mobile numbers apart from the existing ones that begin with a '9' and '8'?

  7. Will there be other number ranges (not beginning with 6) for fixed line in future?

  8. Why not implement a 9-digit numbering plan (i.e. 88ABC DEFG instead of the 8-digit currently planned i.e. 8ABC DEFG) so that there will be no need for another number change for a very long time?

  9. Will there be any disruption to phone services to facilitate the introduction of mobile numbers starting with '8'?

  10. Will users have to change their handsets or home telephone sets to accommodate the mobile numbers starting with '8'?

  11. Will users have to pay a fee to either terminate their existing numbers and/or get another number and/or convert their existing mobile numbers to a number with prefix '8'?

  12. Will users get charged if they want to retain both numbers (e.g. redirecting calls from existing to new level '8' numbers) for a period of time?

  13. Why is there a need to reconfigure PABX, KTS and dealerboard multi-line systems then? Which makes/models of these equipment need to be reconfigured?

  14. How much will it cost to reconfigure a PABX system, Key Telephone Systems and dealerboard multi-line systems to support the mobile numbers starting with '8'?