Canada Post has indicated that mail delivery will be disrupted across the country effective Nov. 15, 2024. As a result, mail delivery of STO correspondence, Certificates of Qualifications and Wallet Cards will be delayed.
Send us an email
Telephone: 647-847-3000
Toll-free number (Ontario only): 1-855-299-0028
Fax: 1-866-398-0368
Mailing address:
Skilled Trades Ontario
PO Box 2354 RPO SQ1 Shoppers
Mississauga, ON L5B 3C8
Monday to Friday,
8:30am – 5:00pm EST