Census of Canada, 1961 and 1966:  province codes (showing region)

 Regions                Provinces
 Atlantic            0  Newfoundland
                     1  Prince Edward Island
                     2  Nova Scotia
                     3  New Brunswick
 Quebec              4  Quebec
 Ontario             5  Ontario
 Prairies            6  Manitoba
                     7  Saskatchewan
                     8  Alberta
 British Columbia    9  British Columbia
 Territories         +  Yukon
                     -  Northwest Territories