How to call Iridium Satellite from the USA or from Canada:

dial 011 + 8816 + phone number

Calling from another country?

Calling Iridium satellite phones from the United States explained:

011 - US exit code; dial first for international calls made from the USA or Canada
8816 - Country Code for the Iridium network
Phone Number - 8 digits
US to Iridium international dialing format : 011 8816 ??? ?????