Teletypewriter (TTY) — businesses

What this department does

This is the same CRA TTY number used for individuals, routed to business help when you ask for business enquiries. It is for GST/HST, payroll, corporate tax, and My Business Account questions when a voice line is not accessible.

This toll-free line assists with:

• Business TTY/TDD users
• People who are deaf or hard of hearing
• People with speech impairments

Why to call this department

• You use TTY and need help with a GST/HST, payroll, or corporate account.
• You cannot use the voice business line and need an agent to review a business notice.
• You need My Business Account support through TTY.

Why you may have received a call from this number

• CRA may return a business TTY contact after you used this accessibility number.
• A GST/HST or payroll follow-up can come by TTY if that is your requested channel.
• Confirm any payment request by calling this published TTY number yourself.

Have this ready before you call

• TTY/TDD device
• Business number and program accounts
• The business notice or period in question

Other things to know

• Ask for individual services if your question is about a personal tax return.
• The voice business number is 1-800-959-5525 if TTY is not required.

Related CRA numbers

• Business enquiries (provinces) 1-800-959-5525
• Debt management and payment arrangements 1-877-362-1319