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 are IDD calls charged? How do I make an IDD 019 call? Where can I refer to the rates for IDD services? Will my IDD usages be reflected on my bills? Are there any registration fees or monthly subscription charge for IDD 001 and IDD 019? Comments 0 comments Please sign in to leave a comment.