Contact us about nautical charts

For up-to-date information please contact us by choosing one of the following options or visit the nautical charts and publications page.

National headquarters

Canadian Hydrographic Service
200 Kent Street, Station 12W090
Ottawa ON  K1A 0E6

Telephone: 613-998-4931
Toll free: 1-866-546-3613
Email: chsinfo@dfo-mpo.gc.ca

Include your name and the region in which you are located. Emails will receive a response within a few business days.

Regional offices