International and Ottawa Tax Services Office

If you are a non-resident or need to contact us about an international-related issue, go to International tax and non-resident enquiries.

Canadian residents

Office/mailing address:
333 Laurier Avenue West
Ottawa ON  K1A 0L9

Fax: 613-238-7125

Your individual and benefits processing Tax Centre is Sudbury.

Your business processing Tax Centre is Prince Edward Island.

Note: Drop boxes

Drop boxes are typically emptied of their contents twice daily (more frequently during the personal tax filing season). The contents are stamped by our mail operations the same day they are received. For the first clearance each morning, items are date stamped with the previous business day's date.

Please note that there is no walk-in counter service offered in any CRA locations.

Service options

Obtain tax and benefit information


For individuals

For businesses

For representatives

Get a form or publication

By telephone

Make a payment

  • Pay electronically through your financial institution's Internet or telephone banking service.
  • Pay electronically using CRA's My Payment through participating financial institutions.
  • Pay by pre-authorized debit.
  • Take your remittance voucher and pay directly at any financial institution.

International tax and non-resident enquiries

Office address:
2204 Walkley Road
Ottawa ON  K1A 1A8

Mailing address:
Post Office Box 9769, Station T
Ottawa ON  K1G 3Y4

International tax and non-resident telephone enquiries

Fax numbers

Individuals 1-613-941-2505
Non-resident corporations, corporation accounts, and trusts 1-613-952-3845
Part XIII tax and Non-resident withholding accounts 1-613-941-6905
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