What IDD services are available for Grid Mobile customers? Admin August 16, 2019 03:54 Updated Follow With Grid Mobile, you will have access to IDD001 and IDD019 Related articles What is the difference between IDD 001 and IDD 019? What does the "Local" incoming and outgoing charges in the Roaming Rates means? Does that mean only numbers from the Roaming Countries or numbers from Singapore? How do I make an IDD 019 call? Where can I refer to the rates for IDD services? What will happen to my points if I cease my account with grid mobile? Comments 0 comments Please sign in to leave a comment.