By phone

Before you call

To confirm your identity, you will need your:

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

If you are calling on behalf of someone else

The person you're calling on behalf of must be present on the call to give their consent, or you must be authorized to call on their behalf.

For details: Authorize a representative

Telephone numbers

Within Canada and the United States:
1-800-959-8281 (opens up phone application) 1-800-959-8281

Outside Canada and the United States: 1-613-940-8495 (opens up phone application) 1-613-940-8495

The CRA only accepts collect calls made through a telephone operator. After your call is accepted by an automated response, you may hear a beep and notice a normal connection delay.

TTY and VRS numbers

If you use a teletypewriter:
1-800-665-0354

If you use Canada Video Relay Service: 1-800-561-6393

Hours of service