Contact Us

CSIS Regional Office Addresses and Phone Numbers

Atlantic Region

P.O. Box 126, Station Central
Halifax NS B3J 3K5
Tel. 902-420-5900

New Brunswick District

P.O. Box 6010, Station A
Fredericton NB E3B 5G4
Tel. 506-452-3786

Newfoundland and Labrador District

P.O. Box 2585, Station C
St. John's NL A1C 6J6
Tel. 709-724-8650

Quebec Region

P.O. Box 2000, Station St-Jacques
Montreal QC H3C 3A6
Tel. 514-393-5600 or 1-877-223-2265 toll-free (Quebec only)

Quebec City District

P.O. Box 10043, Station Sainte-Foy
Quebec QC G1V 4C6
Tel. 418-529-8926

Ottawa Region

P.O. Box 9732, Station T
Ottawa ON K1G 4G4
Tel. 613-998-1679 or 1-800-267-7685 toll-free (Ontario only)

Toronto Region

P.O. Box 760, Station A
Toronto ON M5W 1G3
Tel. 416-865-1480

Prairie

(Alberta, Saskatchewan, Manitoba, Northwestern Ontario, Yukon, Northwest Territories, Nunavut )
P.O. Box 47009
62 City Centre
Edmonton AB T5J 4N1
Tel. 780-401-7800 or 1-800-661-5780 toll-free (Prairie only)

Calgary District

P.O. Box 2671, Station M
Calgary AB T2P 3C1
Tel. 403-292-5255

Saskatchewan District

P.O. Box 5089, Station Main
Regina SK S4P 4B2
Tel. 306-566-9450

Manitoba District

P.O. Box 771, Station Main
Winnipeg MB R3C 4G3
Tel. 204-954-8120

British Columbia Region

P.O. Box 80629,
South Burnaby BC V5H 3Y1
Tel. 604-528-7400

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