How do I check my IDD balance? February 21, 2023 07:32 Updated If your plans come with IDD minutes, you can check your balance via the following: • Online SIMBA My Account • Download the My SIMBA App • SMS <SIMBA> to 1218 if you are in Singapore or DIAL *1218# if you are overseas. Your usage details will be sent to your number via SMS. Related articles What is the SIMBA Super IDD Pack? What is SIMBA IDD? Can I use my SIMBA Super IDD Pack overseas? What is the validity period of the SIMBA Super IDD Pack? What is an IDD call?