Contact Us
To contact CSIS by mail:
National Headquarters Ottawa:
CSIS
PO Box 9732 Stn T
Ottawa ON K1G 4G4
CSIS - Location
1941 Ogilvie Rd
Ottawa ON K1J 1B7
T: (613) 993-9620
Telecommunications Device for the Hearing Impaired (24hrs): (613) 991-9228
Toll free: 1-800-267-7685 (available only in Ontario)
CSIS Regional Office Addresses and Phone Numbers
Atlantic Region:
CSIS
1505 Barrington St Suite 1901
Halifax NS B3J 3K5
T: (902) 420-5900
Atlantic Region / New Brunswick District:
CSIS
Bag Service 6010
Waggoner’s Lane
Fredericton NB E3B 5G4
T: (506) 452-3786
Newfoundland and Labrador District:
CSIS
PO Box 2585 Stn C
St. John’s NL A1C 6J6
T: (709) 772-5449
Quebec Region:
CSIS
PO Box 2000 Stn A
Montreal QC H3C 3A6
T: (514) 393-5600
Toll Free: 1-877-223-2265 (available only in Quebec)
Quebec Region / Quebec City District:
CSIS
PO Box 1172 Stn T
Quebec QC G1K 7C3
T: (418) 529-8926
Ottawa Region:
CSIS
PO Box 9732 Stn T
Ottawa ON K1G 4G4
T: (613) 998-1679
Toll Free: 1-800-267-7685 (available only in Ontario)
Toronto Region:
CSIS
PO Box 760 Stn A
Toronto ON M5W 1G3
T: (416) 865-1480
Prairie Region (Alberta/Saskatchewan/Manitoba/Thunder Bay):
CSIS
PO Box 47009
62 City Centre
Edmonton AB T5J 4N1
T: (780) 401-7800
Toll Free: 1-800-661-5780
(available only in Alberta, Saskatchewan, Manitoba, Thunder Bay)
Prairie Region / Calgary District:
CSIS
PO Box 2671 Stn M
Calgary AB T2P 3C1
T: (403) 292-5255
Prairie Region / Saskatchewan District:
CSIS
PO Box 5089 Stn Main
Regina SK S4P 4B2
T: (306) 780-5512
Prairie Region / Manitoba District:
CSIS
PO Box 771
Winnipeg MB R3C 4G3
T: (204) 983-5405
British Columbia Region:
CSIS
PO Box 80629 Stn S
Burnaby BC V5H 3Y1
T: (604) 528-7400
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