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Contact us

Head Office

Montreal Office

Customer service inquiries

English
Main switchboard 647-722-3582
Toll-free 1-866-536-3673
Fax 416-849-1429
Email help@411.ca
Hours of operation 8am – 6pm, Monday – Friday
Français
Main switchboard 514-228-6235 press 2
Toll-free 1-866-338-9195 press 2
Fax 647-723-9930
Email aide@411.ca
Hours of operation 8am – 6pm, Monday – Friday

Advertising inquiries

English
Main switchboard 647-259-4483 press 1
Toll-free 1-866-411-4411 press 1
Email sales@411.ca
Hours of operation 9:30am – 6pm, Monday – Friday
Billing inquiries
Email billing@411.ca
Français
Main switchboard 514-228-7631
Toll-free 1-866-411-2373
Email ventes@411.ca
Hours of operation 8:30am – 4:30pm, Monday – Friday
Billing inquiries
Email facture@411.ca

Advertisers important notice

Due to a high volume of fraudulent account modification requests via email, 411.ca is taking all necessary action to ensure complete privacy and protection of your business information. Until further notice all cancellation requests and updates to your account will require verification by phone. To update your account please call 1-866-411-4411

Don't be a victim of fraud: Be aware of fake invoices or solicitations