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
PO BOX 126 STN CENTRAL
HALIFAX NS B3J 3K5
T: (902) 420-5900
Atlantic Region / New Brunswick District:
CSIS
PO BOX 6010 STN A
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
Québec Region:
CSIS
PO BOX 2000 STN A
MONTRÉAL QC H3C 3A6
T: (514) 393-5600
Toll Free: 1-877-223-2265 (available only in Québec)
Québec Region / Québec City District:
CSIS
PO BOX 10043 STN SAINTE-FOY
QUÉBEC QC G1V 4C6
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 STN MAIN
WINNIPEG MB R3C 4G3
T: (204) 983-5405
British Columbia Region:
CSIS
PO BOX 80629 STN SOUTH
BURNABY BC V5H 3Y1
T: (604) 528-7400
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