| Name | Main Operations Centre |
| Use | Head Office and Switch Centre |
| Address | 10 International Business Park, Singapore 609928 |
| Land Area (Sq m) | 8,442 |
| Date of Purchase | 8 October 1996 |
| Expiry Date of Lease1 | 28 February 2026 |
| Name | MiWorld Building |
| Use | Office |
| Address | 9 International Business Park, Singapore 609915 |
| Land Area (Sq m) | 6,850 |
| Date of Purchase | 15 February 2002 |
| Expiry Date of Lease1 | 30 June 2022 |
| Name | Regional Operations Centre |
| Use | Office and Switch Centre |
| Address | 4 Aljunied Avenue 1, Singapore 389978 |
| Land Area (Sq m) | 4,816 |
| Date of Purchase | 19 November 2001 |
| Expiry Date of Lease1 | 31 May 2020 |
1 The Company has the option to lease for a further term of 30 years