Contact us

You can
Call the CRA

Before you call

To confirm your identity, you’ll need your:

• tax identifier number (SIN, ITN, or TTN)
• full name and date of birth
• complete address
• assessed tax return, notice of assessment or reassessment, or other tax document, or be signed in to CRA My Account

• business number with an RU account
• business name
• complete business address
• assessed tax return, notice of assessment or reassessment, other tax document, or be signed in to CRA My Business Account

Telephone number

For those in Canada or the United States calling about electronic filing of UHT election form.

1-800-387-0720 (opens up phone application)1-800-387-0720

For those outside of Canada or the United States calling about electronic filing of UHT election form.

1-613-221-3224 (collect calls accepted)

For those individuals inside of Canada or the United States calling about a general enquiry.

1-800-959-8281 (opens up phone application)1-800-959-8281

For those individuals outside of Canada or the United States calling about a general enquiry.

1-613-940-8495 (collect calls accepted)

For those businesses inside of Canada or the United States calling about a general enquiry.

1-800-959-5525 (opens up phone application)1-800-959-5525

For those businesses outside of Canada or the United States calling about a general enquiry.

1-613-940-8497 (collect calls accepted)

TTY number

If you use a teletypewriter:
1-800-665-0354 (opens up tty application)1-800-665-0354

If you use an operator-assisted relay service, call:
1-800-387-0720 (opens up phone application)1-800-387-0720

If you use an operator-assisted relay service, call:
1-613-221-3224 (collect calls accepted)

If you use an operator-assisted relay service, call:
1-800-959-8281 (opens up phone application)1-800-959-8281

If you use an operator-assisted relay service, call:
1-613-940-8495 (collect calls accepted)

If you use an operator-assisted relay service, call:
1-800-959-5525 (opens up phone application)1-800-959-5525

If you use an operator-assisted relay service, call:
1-613-940-8497 (collect calls accepted)

Hours

General enquiries for businesses hours

Date	Hours
Monday to Friday	6:30 am to 11:00 pm ET
Saturday	7:30 am to 8:00 pm ET
Sunday	Closed

Closed on public holidays

You can
Mail your request to the CRA

Determine how to resolve your dispute

Should you file an objection or is there another way to resolve your dispute?

Find the option that is relevant to your situation: Filing a notice of objection

You can
Submit your return online

There are different options for submitting your return online.

Find the option that is relevant to your situation: Filing online

You can
Mail or fax your return to a Tax Centre

You must mail or fax your return to the correct Tax Centre.

This depends on where the affected owner is located. This could be you, or it could be your corporation.

Find the correct: Tax Centre mailing address or fax number