Government of Ontario

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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

reference@ontario.ca

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: MPBSD.MediaRelations@ontario.ca

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