In addition to the U.S. Department of State , many other U.S. government agencies work closely with international organizations in Montreal, and are represented here.
999 Robert-Bourassa Blvd.
Montreal, (Quebec), Canada
Note: No mail will be accepted at the physical address, please refer to the mailing address below.
U.S. Mission to ICAO
955, 1re Avenue #USA
Note: If your email is related to the official work of the U.S. Mission, we will reply as soon as possible during business hours. If your message is directed to Ambassador Sullenberger in his personal capacity, we regret that he is unable to respond due to the volume of messages he receives.