How do I make an IDD 001 call? Admin June 26, 2019 10:08 Follow Dial 001 -> Country code -> Area Code -> Telephone Number Or Dial “+” -> Country Code -> Area Code -. Telephone Number Related articles How do I make an IDD 019 call? How are IDD calls charged? Are there any registration fees or monthly subscription charge for IDD 001 and IDD 019? Is IDD supported on Grid Mobile’s network? Will I be able to use IDD if I do not have any Local Voice minutes? Comments 0 comments Please sign in to leave a comment.