Where to mail your return

The Canada Revenue Agency says...

http://www.cra-arc.gc.ca/cntct/t1ddr-eng.html
Resident individuals: Mail your return to one of the following Tax Centres:
For individuals served by Tax Services Offices in: Send your return to:
British Columbia, Yukon, and Regina

Canada Revenue Agency

Tax Centre

9755 King George Boulevard

Surrey BC V3T 5E6

Alberta, Manitoba, Northwest Territories, London, Saskatoon, Thunder Bay, and Windsor

Canada Revenue Agency

Tax Centre

PO Box 14001 Station Main

Winnipeg MB  R3C 3M3

Toronto Centre, Toronto East, Toronto North, Toronto West, and Sudbury (the area of Sudbury/Nickel Belt only)

Canada Revenue Agency

Tax Centre

1050 Notre Dame Avenue

Sudbury ON  P3A 5C2

Laval, Montréal, Nunavut, Ottawa, Rouyn-Noranda, Sherbrooke, and Sudbury (other than the area of Sudbury/Nickel Belt)

Canada Revenue Agency

Tax Centre

PO Box 4000 Station Bureau-chef

Shawinigan QC G9N 7V9

Chicoutimi, Montérégie-Rive-Sud, Outaouais, Québec, Rimouski, and Trois-Rivières

Canada Revenue Agency

Tax Centre

2251 René-Lévesque Boulevard

Jonquière QC G7S 5J2

New Brunswick, Newfoundland and Labrador, Nova Scotia, Kingston, Peterborough, and St. Catherines

Canada Revenue Agency

Tax Centre

PO Box 12072, Station A

St. John's NL  A1B 3Z2

Prince Edward Island, Belleville, Hamilton, and Kitchener/Waterloo

Canada Revenue Agency

Tax Centre

105 - 275 Pope Road

Summerside PE  C1N 6E8

Non-resident individuals See International Tax Services Office