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Organization: Canada. Canada Revenue Agency - London-Windsor Tax Services  
Toll-Free: English: 1-800-959-8281
French: 1-800-959-7383
TTY: 1-800-665-0354
Fax: London: 519-645-4029
Windsor: 519-257-6558
Website: www.canada.ca/en/revenue-agency/corporate/contact-...
Address:
451 Talbot St, Suite 104
London, ON
N6A 5C9
Intersection: Talbot St and Queens Ave
Location: London (Central)
Hours: Phone Line: Mon-Fri 8am-8pm
Service Description: Federal tax services office * external drop box is available for tax returns, correspondence and payments * drop boxes are typically emptied of their contents twice daily (more frequently during the personal tax filing season)

Windsor Office:
441 University Ave W, Suite 101
N9A 5S8

Tax returns can also be mailed to the following:

Canada Revenue Agency, Tax Centre
PO Box 14005
Station Main
Winnipeg MB
R3C 0E3

Fees: Free
Application: Call * no counter service

To obtain an income tax package, call 1-855-330-3305 (or 1-613-940-8495 from outside of Canada) to request a copy by mail, or visit the CRA website for forms and publications, or to get a T1 income tax package
Languages: English * French
Area Served:
Southwestern Ontario  
See Also: Government Services - Federal and Provincial

This information was last completely updated on October 7, 2026

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Updated October 7, 2026
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