Ask us a question

Find out how to contact us with your questions.

What can we help you with?

To read all the answers to popular topics drop-down menu below, please see the dynamic answers page.

Choose from this list of popular topics

  • Account sign-in and registration

    Which account do you need help with?

    • GCKey or Interac account
    • Access to Information and Privacy (ATIP) account
    • International Standard Book Number (ISBN) account
    • Library and Archives Canada (LAC) account
  • Ask a reference question
  • Genealogy or family history
  • Access to information and privacy (ATIP)
  • Military service files
  • Donations
  • Room booking at 395 Wellington St., Ottawa
  • International Standard Book Numbers (ISBN)
  • Other services for publishers
  • I don't know / Other

Contact us

 Mail

Library and Archives Canada
550 de la Cité Boulevard
Gatineau, QC  J8T 0A7
CANADA

 Telephone

613-996-5115
1-866-578-7777 (toll free in Canada and United States)

Page details

2025-09-24