Addresses

National Headquarters

CSIS
Po Box 9732 Stn T
Ottawa ON  K1G 4G4
 

Regional Offices

Atlantic Region

CSIS
Po Box126 Stn Central
Halifax NS  B3J 3K5
 

Atlantic Region / New Brunswick District

CSIS
Po Box 6010 Stn A
Fredericton NB  E3B 5G4
 

Newfoundland and Labrador District

CSIS
Po Box 2585 Stn C
St. John's NL  A1C 6J6
 

Québec Region

CSIS
Po Box 2000 Stn A
Montréal QC  H3C 3A6
 

Québec Region / Québec City District

CSIS
Po Box 10043 Stn Sainte-Foy
Québec QC  G1V 4C6
 

Ottawa Region

CSIS
Po Box 9732 Stn T
Ottawa ON  K1G 4G4
 

Toronto Region

CSIS
Po Box 760 Stn A
Toronto ON  M5W 1G3
 

Prairie Region (Alberta/Saskatchewan/Manitoba/Thunder Bay)

CSIS
Po Box 47009
Edmonton AB  T5J 4N1
 

Prairie Region / Calgary District

CSIS
Po Box 2671 STN M
Calgary AB  T2P 3C1
 

Prairie Region / Saskatchewan District

CSIS
Po Box 5089 STN MAIN
Regina SK  S4P 4B2
 

Prairie Region / Manitoba District

CSIS
Po Box 771 STN MAIN
Winnipeg MB  R3C 4G3
 

British Columbia Region

CSIS
Po Box 80629 STN SOUTH
Burnaby BC  V5H 3Y1