Our Relationship
- U.S. Mission Leaders
- U.S. Government Leaders
- U.S. Agencies and Aviation
  - 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.
  - Learn More
About the Mission
- U.S. Mission
  - U.S. Mission to the International Civil Aviation Organization
  - Physical Address
    
    999 Robert-Bourassa Blvd.
    
    Montreal, (Quebec), Canada
    
    Note: No mail will be accepted at the physical address, please refer to the mailing address below.
    
    Mailing Address
    
    U.S. Mission to ICAO
    
    955, 1re Avenue #USA
    
    Sainte-Catherine, Quebec
    
    J5C 1C5
    
    Telephone: 514-954-5794
    
    Fax: 514-954-8021
    
    Email: usicao@state.gov
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HR-2022-05-04 USICAO AMB Sullenberger 34 P

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