You can contact us to ask questions about the archives or ask about the materials in our collections.
Please include the title and the reference code or accession number in your message if you want to know about a specific search result.
By email
We will acknowledge your email within 2 business days and answer within 14 business days. If we cannot answer your question within this time, we will send you an estimated date of when we can answer it.
By telephone
416-327-1600
1-800-668-9933 (toll-free number, Ontario only)
Our lines are open between 8:30 a.m. and 5 p.m. Eastern time.
If you leave a message, we will return your call within 1 business day.
By mail
The Archives of Ontario
134 Ian Macdonald Boulevard
Toronto, Ontario, Canada
M7A 2C5
We typically respond within 14 business days. If we cannot answer your question right away, we will send you an estimated date of when we can answer it within 15 business days.
Feedback and complaints
Email any feedback or complaints to: reference@ontario.ca
Let us know any details (like date and time) and suggestions to resolve the issue.
Your views are important to us and will help to improve our services.
We will document your comments and let you know we received your email within 2 business days.
Media requests
If you are a member of the media looking for information, email our ministry Issues Management and Media Relations team: MPBSDP.MediaRelations@ontario.ca
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