If you need more information on Canada's international social security agreements, or want to send in your application form, please contact us:
Ottawa ON K1A 0L4
1-800-454-8731 (TTY: 1-800-255-4786)
(from Canada and the United States)
(from all other countries, collect calls accepted)
Hours of Operation:
Our agents are ready to answer your questions
Monday to Friday, 8:30 a.m. to 4:30 p.m. Eastern Time.
Please have your Canadian social insurance number ready.
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