Writing Tips has been archived and won’t be updated before it is permanently deleted.
For the most up-to-date content, please consult Writing Tips Plus, which combines content from Writing Tips and The Canadian Style. And don’t forget to update your bookmarks!
The 1 in 800 and 900 numbers is the country code for North America. Therefore, if you are addressing a uniquely North American readership, there is no need to include the 1:
If your documents are going to be read on other continents, you need to include the country code followed by a hyphen:
© Public Services and Procurement Canada, 2024
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
Writing tools – Writing Tips
A product of the Translation Bureau